OSDN Git Service

PR tree-optimization/43482
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-04-22 Ira Rosen <irar@il.ibm.com>
2
3         PR tree-optimization/43482
4         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle 
5         loop unrolling in update of exit phis. Fix comment.
6         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
7         least two reduction statements in the loop before starting SLP 
8         analysis.
9
10 2010-04-22  Nick Clifton  <nickc@redhat.com>
11
12         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
13
14 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
15
16         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
17         to simplify a + ~a.
18
19 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
20
21         * tree-parloops.c (loop_parallel_p): New argument
22         parloop_obstack.  Pass it down.
23         (parallelize_loops): New variable parloop_obstack.  Initialize it,
24         pass it down, free it.
25
26         * tree-loop-linear.c (linear_transform_loops): Pass down
27         lambda_obstack.
28
29         * tree-data-ref.h (lambda_compute_access_matrices): New argument
30         of type struct obstack *.
31
32         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
33         scratch_obstack.  Initialize it, pass down, free it.
34
35         * lambda.h (lambda_loop_new): Remove.
36         (lambda_matrix_new, lambda_matrix_inverse)
37         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
38         argument of type struct obstack *.
39
40         * lambda-trans.c (lambda_trans_matrix_new): New argument
41         lambda_obstack.  Pass it down, use obstack allocation for ret.
42         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
43         it down.
44
45         * lambda-mat.c (lambda_matrix_get_column)
46         (lambda_matrix_project_to_null): Remove.
47         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
48         allocation for mat.
49         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
50         lambda_obstack.
51
52         * lambda-code.c (lambda_loop_new): New function.
53         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
54         (lambda_compute_auxillary_space, lambda_compute_target_space)
55         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
56         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
57         (build_access_matrix): New argument lambda_obstack.  Use obstack
58         allocation for am.
59         (lambda_compute_step_signs, lambda_compute_access_matrices): New
60         argument lambda_obstack.  Pass it down.
61
62 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
63
64         * optabs.h (expand_widening_mult): Declare.
65
66 2010-04-22  Richard Guenther  <rguenther@suse.de>
67
68         PR tree-optimization/43845
69         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
70         lookup the CALL_EXPR function and arguments.
71
72 2010-04-22  Nick Clifton  <nickc@redhat.com>
73
74         * config/stormy16/stormy16.c
75         (xstormy16_asm_output_aligned_common): Handle a NULL decl
76         parameter.
77         * config/stormy16/stormy16.h: Tidy up formatting.
78         (DONT_USE_BUILTIN_SETJMP): Remove definition.
79         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
80         (ineqbranchsi): Delete pattern.
81         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
82         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
83         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
84         stormy16-lib2-ucmpsi2.c.
85
86 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
87
88         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
89         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
90         extra set merge_set_noclobber, and use it to relax the final test
91         slightly.
92         * df.h (df_simulate_find_noclobber_defs): Declare.
93         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
94         conditional defs.
95         (df_simulate_find_noclobber_defs): New function.
96
97 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
98
99         * config/i386/i386.md: Use {} around multi-line preparation statements.
100
101 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
102
103         * c-tree.h (push_init_level, pop_init_level, set_init_index)
104         (process_init_element): New argument of type struct obstack *.
105
106         * c-typeck.c (push_init_level, pop_init_level, set_designator)
107         (set_init_index, set_init_label, set_nonincremental_init)
108         (set_nonincremental_init_from_string, find_init_member)
109         (output_init_element, output_pending_init_elements)
110         (process_init_element): New argument braced_init_obstack.  Pass it
111         down.
112         (push_range_stack, add_pending_init): New argument
113         braced_init_obstack.  Use obstack allocation.
114
115         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
116         braced_init_obstack.  Pass it down.
117         (c_parser_braced_init): New variables ret, braced_init_obstack.
118         Initialize obstack, pass it down and finally free it.
119
120 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
121
122         PR middle-end/29274
123         * tree-pass.h (pass_optimize_widening_mul): Declare.
124         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
125         gate_optimize_widening_mul): New static functions.
126         (pass_optimize_widening_mul): New.
127         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New
128         case.
129         <case MULT_EXPR>: Remove support for widening multiplies.
130         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
131         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
132         simplify_gen_unary rather than directly building extensions.
133         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
134         WIDEN_MULT_EXPR.
135         * expmed.c (expand_widening_mult): New function.
136         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
137
138 2010-04-21  Jan Hubicka  <jh@suse.cz>
139
140         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
141         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
142         * lto-wpa-fixup.c: Remove.
143         * Makefile.in (lto-wpa-fixup.o): Remove.
144         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
145         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
146         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
147
148 2010-04-21  Jan Hubicka  <jh@suse.cz>
149
150         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
151         add write_optimization_summary, read_optimization_summary.
152         (ipa_write_summaries_of_cgraph_node_set): Remove.
153         (ipa_write_optimization_summaries): Declare.
154         (ipa_read_optimization_summaries): Declare.
155         * ipa-cp.c (pass_ipa_cp): Update.
156         * ipa-reference.c (pass_ipa_reference): Update.
157         * ipa-pure-const.c (pass_ipa_pure_const): Update.
158         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
159         Update.
160         * ipa-inline.c (pass_ipa_inline): Update.
161         * ipa.c (pass_ipa_whole_program): Update.
162         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
163         * passes.c (ipa_write_summaries_1): Do not test wpa.
164         (ipa_write_optimization_summaries_1): New.
165         (ipa_write_optimization_summaries): New.
166         (ipa_read_summaries): Do not test ltrans.
167         (ipa_read_optimization_summaries_1): New.
168         (ipa_read_optimization_summaries): New.
169
170 2010-04-21  Jan Hubicka  <jh@suse.cz>
171
172         * lto-cgraph.c (lto_output_node): Do not output comdat groups
173         for boundary nodes.
174         (output_cgraph): Do not arrange comdat groups for boundary nodes.
175
176 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
177
178         PR debug/40040
179         * dwarf2out.c (add_name_and_src_coords_attributes): Add
180         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
181
182 2010-04-21  Jan Hubicka  <jh@suse.cz>
183
184         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
185
186 2010-04-21  Jan Hubicka  <jh@suse.cz>
187
188         * varpool.c (decide_is_variable_needed): Variable is always needed
189         during ltrans.
190
191 2010-04-21  Jan Hubicka  <jh@suse.cz>
192
193         * opts.c (decode_options): Enable pure-const pass for whopr.
194
195 2010-04-21  Jan Hubicka  <jh@suse.cz>
196
197         * cgraph.c (dump_cgraph_node): Dump also assembler name.
198         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
199         at WPA dumping.
200         (cgraph_decide_inlining): Do not expect callee to be removed in all
201         cases.
202
203 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
204
205         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
206
207 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
208
209         * config/i386/i386.md (x86_shrd): Add athlon_decode and
210         amdfam10_decode attributes.
211
212 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
213
214         PR middle-end/43570
215         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
216         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
217         (lower_copyprivate_clauses): Use private var in outer
218         context instead of original var.  Make sure the types
219         are correct for VLAs.
220
221 2010-04-21  Richard Guenther  <rguenther@suse.de>
222
223         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
224         to non-pointer objects.
225
226 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
227
228         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
229         last chain entry if it starts with the still current label.
230         (add_location_or_const_value_attribute): Check that
231         loc_list->first->next is NULL instead of comparing ->first with ->last.
232         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
233         to add_var_loc_to_decl.
234
235         * dwarf2out.c (output_call_frame_info): For dw_cie_version
236         >= 4 add also address size and segment size fields into CIE header.
237
238         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
239         long as address size is the same as sizeof (void *) and
240         segment size is 0.
241         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
242         address size or segment size is unexpected, return DW_EH_PE_omit.
243         (classify_object_over_fdes): If get_cie_encoding returned
244         DW_EH_PE_omit, return -1.
245         (init_object): If classify_object_over_fdes returned -1,
246         pretend there were no FDEs at all.
247
248 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
249
250         * config/i386/i386.md (bswap<mode>2): Macroize expander from
251         bswap{si,di}2 using SWI48 mode iterator.
252         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
253         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
254         set modrm attribute of bswap insn to 0 and remove length attribute.
255         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
256         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
257         set mode attribute to <MODE> and remove length attribute.
258
259 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
260
261         PR rtl-optimization/43520
262         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
263         zero available registers.
264
265 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
266
267         * builtins.c (fold_builtin_cproj): Fold more cases.
268
269 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
270
271         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
272         (fold_builtin_1): Fold builtin cproj.
273         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
274         Use ATTR_CONST_NOTHROW_LIST.
275
276 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
277
278         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
279         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
280         ffsi2_no_cmove for !TARGET_CMOVE.
281         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
282         (ffssi2): Remove expander.
283         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
284         mode iterator.
285         (ctz<mode>2): Ditto from ctz{si,di}2.
286         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
287         mode iterator.
288         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
289         mode iterator.
290
291 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
292
293         * dwarf2out.c (AT_linkage_name): Define.
294         (clone_as_declaration): Handle DW_AT_linkage_name.
295         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
296         of DW_AT_MIPS_linkage_name.
297         (move_linkage_attr): Likewise.
298         (dwarf2out_finish): Likewise.
299
300 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
301
302         PR middle-end/41952
303         * fold-const.c (fold_comparison): New folding rule.
304
305 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
306
307         * double-int.h (double_int_setbit): Declare.
308         * double-int.c (double_int_setbit): New function.
309         * rtl.h (immed_double_int_const): Declare.
310         * emit-rtl.c (immed_double_int_const): New function.
311         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
312         and immed_double_int_const functions.
313         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
314         expand_copysign_bit):  (Ditto.).
315         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
316         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
317         * dojump.c (prefer_and_bit_test): (Ditto.).
318         * expr.c (convert_modes, reduce_to_bit_field_precision,
319         const_vector_from_tree): (Ditto.).
320         * expmed.c (mask_rtx, lshift_value): (Ditto.).
321
322 2010-04-20  Jan Hubicka  <jh@suse.cz>
323
324         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
325         (dump_cgraph_node): Dump new flags.
326         * cgraph.h (struct cgraph_node): Add flags
327         reachable_from_other_partition and in_other_partition.
328         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
329         other partition can not be removed.
330         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
331         the other partition must be output; silence sanity checking on
332         leaking functions bodies from other paritition.
333         * lto-cgraph.c (reachable_from_other_partition_p): New function.
334         (lto_output_node): Output new flags; do not sanity check that inline
335         clones are output; drop lto_forced_extern_inline_p code; do not mock
336         visibility flags at partition boundaries.
337         (add_node_to): New function.
338         (output_cgraph): Use it to sort functions so masters appear before
339         clones.
340         (input_overwrite_node): Input new flags.
341         * passes.c (ipa_write_summaries): Do not call
342         lto_new_extern_inline_states.
343         * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
344         lto_delete_extern_inline_states, lto_force_functions_extern_inline,
345         lto_forced_extern_inline_p): Kill.
346         * lto-streamer.h (lto_new_extern_inline_states,
347         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
348         lto_forced_extern_inline_p): Kill.
349
350 2010-04-20  Richard Guenther  <rguenther@suse.de>
351
352         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
353         from vars that can have pointers.
354         (process_constraint): Dump useless constraints.
355
356 2010-04-20  Richard Guenther  <rguenther@suse.de>
357
358         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
359         (dump_sa_points_to_info): Remove asserts.
360         (init_base_vars): nothing_id isn't an escape point nor does it
361         have pointers.
362
363 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
364
365         * tree.h (TYPE_REF_IS_RVALUE): Define.
366         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
367         should_move_die_to_comdat, prune_unused_types_walk): Handle
368         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
369         (modified_type_die, gen_reference_type_die): Emit
370         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
371         if TYPE_REF_IS_RVALUE and -gdwarf-4.
372
373 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
374
375         PR target/43635
376         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
377         calls for -fpic -m31 if they have been sibcall optimized.
378
379 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
380
381         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
382         ar.lc fixed and call-used.
383
384         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
385
386 2010-04-19  Jan Hubicka  <jh@suse.cz>
387
388         * opts.c (decode_options): Disable whpr incompatible passes.
389         * lto/lto.c (lto_1_to_1_map): Skip clones.
390         (read_cgraph_and_symbols): Do not mark everything as needed.
391         (do_whole_program_analysis): Do map only after optimizing;
392         set proper cgraph_state; use passmanager.
393
394 2010-04-19  DJ Delorie  <dj@redhat.com>
395
396         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
397         POINTER_PLUS_EXPR and fix them.
398
399 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
400
401         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
402         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
403         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
404         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
405         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
406         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
407         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
408         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
409         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
410         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
411         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
412
413 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
414
415         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
416         (check_cond_move_block): Likewise.
417         (cond_move_process_if_block): Likewise.
418         (noce_find_if_block): Improve formatting.
419         (find_if_header): Pass 0 to memset and tweak conditions.
420         (cond_exec_find_if_block): Fix long lines and tweak conditions.
421
422 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
423
424         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
425         for -gdwarf-4.
426
427         PR middle-end/43337
428         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
429         with non-local decl doesn't need chain.
430
431 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
432
433         * ira-color.c (allocno_reload_assign): Avoid accumulating
434         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
435
436 2010-04-19  Martin Jambor  <mjambor@suse.cz>
437
438         * gimple.h (create_tmp_reg): Declare.
439         * gimplify.c (create_tmp_reg): New function.
440         (gimplify_return_expr): Use create_tmp_reg.
441         (gimplify_omp_atomic): Likewise.
442         (gimple_regimplify_operands): Likewise.
443         * tree-dfa.c (make_rename_temp): Likewise.
444         * tree-predcom.c (predcom_tmp_var): Likewise.
445         (reassociate_to_the_same_stmt): Likewise.
446         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
447         (get_replaced_param_substitute): Likewise.
448         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
449         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
450         * tree-ssa-pre.c (get_representative_for): Likewise.
451         (create_expression_by_pieces): Likewise.
452         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
453         (create_tailcall_accumulator): Likewise.
454
455 2010-04-19  Martin Jambor  <mjambor@suse.cz>
456
457         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
458         new_stmt.
459         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
460
461 2010-04-19  Richard Guenther  <rguenther@suse.de>
462
463         PR tree-optimization/43796
464         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
465         from SCEV in the lattice.
466         (vrp_visit_phi_node): Dump change.
467
468 2010-04-19  Richard Guenther  <rguenther@suse.de>
469
470         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
471         * configure: Re-generated.
472
473 2010-04-19  Richard Guenther  <rguenther@suse.de>
474
475         PR tree-optimization/43783
476         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
477         constant ARRAY_REF operands two and three if possible.
478
479 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
480
481         PR target/43766
482         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
483
484 2010-04-19  Jie Zhang  <jie@codesourcery.com>
485
486         PR target/43662
487         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
488
489 2010-04-19 Ira Rosen <irar@il.ibm.com>
490
491         PR tree-optimization/37027
492         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
493         and macro to access it.
494         (vectorizable_reduction): Add argument.
495         (vect_get_slp_defs): Likewise.
496         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
497         statements for possible use in SLP.
498         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
499         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
500         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
501         add new argument.
502         (vectorizable_reduction): Likewise.
503         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
504         vect_get_slp_defs.
505         (vectorizable_type_demotion, vectorizable_type_promotion,
506         vectorizable_store): Likewise.
507         (vect_analyze_stmt): Update call to vectorizable_reduction.
508         (vect_transform_stmt): Likewise.
509         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
510         (vect_build_slp_tree): Fix indentation. Check that there are no loads
511         from different interleaving chains in same node.
512         (vect_slp_rearrange_stmts): New function.
513         (vect_supported_load_permutation_p): Allow load permutations for
514         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
515         inside SLP nodes if necessary.
516         (vect_analyze_slp_instance): Handle reductions.
517         (vect_analyze_slp): Try to build SLP instances originating from groups
518         of reductions.
519         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
520         (vect_get_constant_vectors): Create initial vectors for reductions
521         according to reduction code. Add new argument.
522         (vect_get_slp_defs): Add new argument, pass it to
523         vect_get_constant_vectors.
524         (vect_schedule_slp_instance): Remove SLP tree root statements.
525
526 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
527
528         * tree.h (ENUM_IS_SCOPED): Define.
529         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
530         for ENUM_IS_SCOPED enums.
531
532 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
533
534         * fold-const.c (fold_comparison): Use ssizetype.
535         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
536         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
537         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
538         * tree-object-size.c (compute_object_sizes): Use size_type_node.
539
540         * tree.h (initialize_sizetypes): Remove parameter.
541         (build_common_tree_nodes): Remove second parameter.
542         * stor-layout.c (initialize_sizetypes): Remove parameter.
543         Always create an unsigned type.
544         (set_sizetype): Assert that the passed type is unsigned and simplify.
545         * tree.c (build_common_tree_nodes): Remove second parameter.
546         Adjust call to initialize_sizetypes.
547         * c-decl.c (c_init_decl_processing): Remove second argument in call to
548         build_common_tree_nodes.
549
550 2010-04-18  Matthias Klose  <doko@ubuntu.com>
551
552         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
553
554 2010-04-18 Ira Rosen <irar@il.ibm.com>
555
556         PR tree-optimization/43771
557         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
558         load permutation doesn't have gaps.
559
560 2010-04-18  Jan Hubicka  <jh@suse.cz>
561
562         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
563         (sse_prologue_save_insn expander): Use new pattern.
564         (sse_prologue_save_insn1): New pattern and splitter.
565         (sse_prologue_save_insn): Update to deal also with 64bit aligned
566         blocks.
567         * i386.c (setup_incoming_varargs_64): Do not compute jump
568         destination here.
569         (ix86_gimplify_va_arg): Update alignment needed.
570         (ix86_local_alignment): Do not align all local arrays to 128bit.
571
572 2010-04-17  Jan Hubicka  <jh@suse.cz>
573
574         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
575
576 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
577
578         * arm.md (negdi2): Remove redundant code to force values into a
579         register.
580
581 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
582
583         * arm/bpabi.S: Add EABI alignment attributes to objects.
584         * arm/bpabi-v6m.S: Likewise.
585         * arm/crti.asm: Likewise.
586         * arm/crtn.asm: Likewise.
587         * arm/lib1funcs.asm: Likewise.
588         * arm/libunwind.S: Likewise.
589
590 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
591
592         * arm-protos.h (tune_params): New structure.
593         * arm.c (current_tune): New variable.
594         (arm_constant_limit): Delete.
595         (struct processors): Add pointer to the tune parameters.
596         (arm_slowmul_tune): New tuning option.
597         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
598         (all_cores): Adjust to pick up the tuning model.
599         (arm_constant_limit): New function.
600         (arm_override_options): Select the appropriate tuning model.  Delete
601         initialization of arm_const_limit.
602         (arm_split_constant): Use the new constant-limit model.
603         (arm_rtx_costs): Pick up the current tuning model.
604         * arm.md (is_strongarm, is_xscale): Delete.
605         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
606         for Xscale variant architectures.
607         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
608
609 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
610
611         * config/arm/arm.c (arm_gen_constant): Remove unused variable
612         can_shift.
613         (arm_rtx_costs_1): Remove unused variable extra_cost.
614         (arm_unwind_emit_set): Use variable offset.
615         (thumb1_output_casesi): Remove unused variable flags.
616
617 2010-04-16  Jeff Law  <law@redhat.com>
618
619         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
620         needing assignment rather than doing a two-phase assignment.  Remove
621         unused variable 'm'.
622
623 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
624
625         PR bootstrap/43767
626         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
627
628 2010-04-16  Doug Kwan  <dougkwan@google.com>
629
630         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
631         (next_operand_entry_id): New static variable.
632         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
633         (add_to_ops_vec): Assigned unique ID to operand entry.
634         (struct oecount_s): New field ID.
635         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
636         (undistribute_ops_list): Assign unique IDs to oecounts.
637         (init_reassoc): reset next_operand_entry_id.
638
639 2010-04-16  Doug Kwan  <dougkwan@google.com>
640
641         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
642         missing left parenthesis.
643
644 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
645
646         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
647         *btdi_rex64 using SWI48 mode iterator.
648         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
649         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
650         *jcc_btdi_mask_rex64.
651
652 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
653
654         * double-int.h (tree_to_double_int): Convert to macro.
655         * double-int.c (tree_to_double_int): Remove.
656
657 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
658
659         PR debug/43762
660         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
661         with want_address 2 and in case a single element list might be
662         possible, call it again with want_address 0.
663
664 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
665
666         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
667         case 'W' print operands for HI mode.
668         * config/h8300/h8300.h (Y0, Y2) : New constraints.
669         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
670         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
671         * config/h8300/predicate.md (bit_register_indirect_operand): New.
672
673         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
674
675         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
676         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
677         #xx:3 and #xx:4 mode.
678
679         * config/h8300/h8300.md (inverted load with HImode dest): Add
680         support for H8300SX.
681
682         * config/h8300/predicate.md (bit_operand): Allow immediate values that
683         satisfy 'U' constraint.
684
685 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
686
687         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
688         * configure: Regenerate.
689         * config.in: Regenerate.
690         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
691         works.
692
693 2010-04-16  Richard Guenther  <rguenther@suse.de>
694
695         * tree.h (struct tree_decl_minimal): Move pt_uid ...
696         (struct tree_decl_common): ... here.
697         (DECL_PT_UID): Adjust.
698         (SET_DECL_PT_UID): Likewise.
699         (DECL_PT_UID_SET_P): Likewise.
700
701 2010-04-16  Richard Guenther  <rguenther@suse.de>
702
703         PR tree-optimization/43572
704         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
705         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
706         * tree-flow.h (is_call_clobbered): Remove.
707         * tree-flow-inline.h (is_call_clobbered): Likewise.
708         * tree-dfa.c (dump_variable): Do not dump call clobber state.
709         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
710         (execute_return_slot_opt): Adjust.
711         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
712         check for call clobbered vars here.
713         (find_tail_calls): Move tailcall verification to the
714         proper place.
715
716 2010-04-16  Diego Novillo  <dnovillo@google.com>
717
718         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
719
720 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
721
722         PR target/40603
723         * config/arm/arm.md (cbranchqi4): New pattern.
724         * config/arm/predicates.md (const0_operand,
725         cbranchqi4_comparison_operator): New predicates.
726
727 2010-04-16  Richard Guenther  <rguenther@suse.de>
728
729         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
730         (dump_gimple_stmt): Likewise.
731
732 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
733
734         * recog.h (struct recog_data): New field is_operator.
735         (struct insn_operand_data): New field is_operator.
736         * recog.c (extract_insn): Set recog_data.is_operator.
737         * genoutput.c (output_operand_data): Emit code to set the
738         is_operator field.
739         * reload.c (find_reloads): Use it rather than testing for an
740         empty constraint string.
741
742         PR target/41514
743         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
744         If the previous insn is a cbranchsi4_insn with the same arguments,
745         omit the compare instruction.
746
747         * config/arm/arm.md (addsi3_cbranch): If destination is a high
748         register, inputs must be low registers and we need a low register
749         scratch.  Handle alternative 2 like alternative 3.
750
751 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
752
753         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
754         don't call get_addr on both.  If one expression is a VALUE and
755         the other a REG, check VALUE's locs if the REG isn't among them.
756
757 2010-04-16  Christian Bruel  <christian.bruel@st.com>
758
759         * config/sh/sh.h (sh_frame_pointer_required): New function.
760         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
761         (flag_omit_frame_pointer) Set.
762         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
763         (rounded_frame_size): Adjust size with outgoing_args_size.
764         (sh_set_return_address): Must return from stack pointer.
765         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
766         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
767         (ACCUMULATE_OUTGOING_ARGS): Define.
768         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
769         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
770
771 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
772
773         PR target/43471
774         * config/sh/sh.c (sh_legitimize_reload_address): Use
775         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
776         Remove a unneeded check for offset_base.
777
778 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
779
780         * configure: Regenerated.
781
782 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
783
784         * config/s390/s390.c (s390_call_save_register_used): Switch back
785         to HARD_REGNO_NREGS.
786
787 2010-04-15  Richard Guenther  <rguenther@suse.de>
788
789         * alias.c (alias_set_subset_of): Handle alias-set zero
790         child properly.
791
792 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
793             Julian Brown  <julian@codesourcery.com>
794
795         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
796         alternatives according to use of high and low regs.
797         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
798         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
799         optimizing for size on Thumb-2.
800
801 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
802
803         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
804
805 2010-04-15  Richard Guenther  <rguenther@suse.de>
806
807         * tree-ssa-structalias.c (struct variable_info): Add
808         is_fn_info flag.
809         (new_var_info): Initialize it.
810         (dump_constraints): Support printing last added constraints.
811         (debug_constraints): Adjust.
812         (dump_constraint_graph): Likewise.
813         (make_heapvar_for): Check for NULL cfun.
814         (get_function_part_constraint): New function.
815         (get_fi_for_callee): Likewise.
816         (find_func_aliases): Properly implement IPA PTA constraints.
817         (process_ipa_clobber): New function.
818         (find_func_clobbers): Likewise.
819         (insert_into_field_list_sorted): Remove.
820         (create_function_info_for): Properly allocate vars for IPA mode.
821         Do not use insert_into_field_list_sorted.
822         (create_variable_info_for): Properly generate constraints for
823         global vars in IPA mode.
824         (dump_solution_for_var): Always dump the solution.
825         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
826         (find_what_var_points_to): Adjust.
827         (pt_solution_set): Change.
828         (pt_solution_ior_into): New function.
829         (pt_solution_empty_p): Export.
830         (pt_solution_includes_global): Adjust.
831         (pt_solution_includes_1): Likewise.
832         (pt_solutions_intersect_1): Likewise.
833         (dump_sa_points_to_info): Check some invariants.
834         (solve_constraints): Move constraint dumping ...
835         (compute_points_to_sets): ... here.
836         (ipa_pta_execute): ... and here.
837         (compute_may_aliases): Do not re-compute points-to info
838         locally if IPA info is available.
839         (ipa_escaped_pt): New global var.
840         (ipa_pta_execute): Properly implement IPA PTA.
841         * tree-into-ssa.c (dump_decl_set): Support dumping
842         decls not in referenced-vars.
843         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
844         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
845         (dump_points_to_solution): Likewise.
846         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
847         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
848         (remap_gimple_stmt): Reset call clobber/use information if necessary.
849         (copy_decl_to_var): Copy DECL_PT_UID.
850         (copy_result_decl_to_var): Likewise.
851         * tree.c (make_node_stat): Initialize DECL_PT_UID.
852         (copy_node_stat): Copy it.
853         * tree.h (DECL_PT_UID): New macro.
854         (SET_DECL_PT_UID): Likewise.
855         (DECL_PT_UID_SET_P): Likewise.
856         (struct tree_decl_minimal): Add pt_uid member.
857         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
858         (pt_solution_empty_p): Declare.
859         (pt_solution_set): Adjust.
860         (ipa_escaped_pt): Declare.
861         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
862         * gimple-pretty-print.c (pp_points_to_solution): New function.
863         (dump_gimple_call): Dump call clobber/use information.
864         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
865         * tree-pass.h (TDF_ALIAS): New dump option.
866         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
867         * doc/invoke.texi (-fipa-pta): Update documentation.
868
869 2010-04-15  Richard Guenther  <rguenther@suse.de>
870
871         * Makefile.in (OBJS-common): Add gimple-fold.o.
872         (gimple-fold.o): New rule.
873         * tree.h (maybe_fold_offset_to_reference,
874         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
875         prototypes ...
876         * gimple.h: ... here.
877         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
878         may_propagate_address_into_dereference): Move prototypes ...
879         * gimple.h: ... here.
880         * tree-ssa-ccp.c (get_symbol_constant_value,
881         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
882         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
883         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
884         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
885         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
886         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
887         gimplify_and_update_call_from_tree): Move ...
888         * gimple-fold.c: ... here.  New file.
889         (ccp_fold_builtin): Rename to ...
890         (gimple_fold_builtin): ... this.
891         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
892
893 2010-04-15  Richard Guenther  <rguenther@suse.de>
894
895         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
896         fit_double_type, force_fit_type_double, add_double_with_sign,
897         neg_double, mul_double_with_sign, lshift_double, rshift_double,
898         lrotate_double, rrotate_double, div_and_round_double): Move ...
899         * double-int.c: ... here.
900         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
901         add_double, neg_double, mul_double_with_sign, mul_double,
902         lshift_double, rshift_double, lrotate_double, rrotate_double,
903         div_and_round_double): Move prototypes ...
904         * double-int.h: ... here.
905
906 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
907
908         PR target/43742
909         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
910         matching constraints to ensure inputs match the output.
911
912 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
913
914         PR target/43742
915         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
916         in an input-only operand.
917
918 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
919
920         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
921         (double_int_not, double_int_lshift, double_int_rshift): Declare.
922         (double_int_negative_p): Convert to static inline function.
923         * double-int.c (double_int_lshift, double_int_lshift): Add new function.
924         (double_int_negative_p): Remove.
925         * tree.h (lshift_double, rshift_double):
926         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
927         * fold-const.c (fold_convert_const_int_from_real,
928         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
929         (lshift_double): Change type of arith argument to bool.
930         (rshift_double): Change type of arith argument to bool. Correct
931         comment.
932         * expmed.c (mask_rtx, lshift_value): (Ditto.).
933
934 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
935
936         PR target/21803
937         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
938         at the start and end of the then/else blocks, and omit them from the
939         conversion.
940         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
941         argument; all callers changed.  Pass zero to old_insns_match_p instead.
942         (flow_find_head_matching_sequence): New function.
943         (old_insns_match_p): Check REG_EH_REGION notes for calls.
944         * basic-block.h (flow_find_cross_jump,
945         flow_find_head_matching_sequence): Declare functions.
946
947 2010-04-14  Jason Merrill  <jason@redhat.com>
948
949         PR c++/36625
950         * c-common.c (attribute_takes_identifier_p): New fn.
951         * c-common.h: Declare it.
952
953 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
954
955         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
956         splitter condition.
957         (*udivmod<mode>4): Ditto.
958
959 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
960
961         * config/i386/i386.md (maxmin_int): Rename code attribute from
962         maxminiprefix and update all users.
963         (maxmin_float): Ditto from maxminfprefix.
964         (logic): Ditto from logicprefix.
965         (absneg_mnemonic): Ditto from absnegprefix.
966         * config/i386/mmx.md: Update all users of maxminiprefix,
967         maxminfprefix and logicprefix for rename.
968         * config/i386/sse.md: Ditto.
969         * config/i386/sync.md (sync_<code><mode>): Update for
970         logicprefix rename.
971
972 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
973
974         PR 42966
975         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
976         warnings converted to errors.
977
978 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
979
980         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
981         used insn_type variable.
982         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
983         to avoid set-but-not-used warning.
984
985 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
986
987         * df-core.c (df_ref_debug): Change format string placeholder
988         from 0x%x to %#x.
989         * dwarf2asm.c (dw2_asm_output_data_raw,
990         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
991         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
992         * dwarf2out.c (output_cfi, output_cfi_directive,
993         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
994         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
995         Ditto.
996         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
997         * print-rtl.c (print_rtx): Ditto.
998
999 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1000
1001         PR middle-end/42694
1002         * builtins.c (expand_builtin_pow_root): New function to expand pow
1003         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1004         series of sqrt and cbrt calls under -ffast-math.
1005         (expand_builtin_pow): Call it.
1006
1007 2010-04-14  Michael Matz  <matz@suse.de>
1008
1009         PR tree-optimization/42963
1010         * tree-cfg.c (touched_switch_bbs): New static variable.
1011         (group_case_labels_stmt): New function broken out from ...
1012         (group_case_labels): ... here, use the above.
1013         (start_recording_case_labels): Allocate touched_switch_bbs.
1014         (end_recording_case_labels): Deallocate it, call
1015         group_case_labels_stmt.
1016         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1017
1018 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1019
1020         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1021         from insn template.
1022
1023 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1024
1025         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1026
1027 2010-04-13  Jan Hubicka  <jh@suse.cz>
1028
1029         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1030         of optimized out static functions.
1031         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1032         cost computation.  Also sanity check for overflows.
1033         (update_caller_keys): Update cgraph_edge_badness call; properly
1034         update fibheap and sanity check that it is up to date.
1035         (add_new_edges_to_heap): Update cgraph_edge_badness.
1036         (cgraph_decide_inlining_of_small_function): Likewise;
1037         add sanity checking that badness in heap is up to date;
1038         improve dumping of reason; Update badness of calls to the
1039         offline copy of function currently inlined; dump badness
1040         of functions not inlined because of unit growth limits.
1041
1042 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1043
1044         PR middle-end/32628
1045         * c-common.c (pointer_int_sum): Disregard overflow that occured only
1046         because of sign-extension change when converting to sizetype here...
1047         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1048
1049         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1050         the folding to constants.  Remove redundant final conversion.
1051         (fold_binary) <associate>: Do not associate if the re-association of
1052         constants alone overflows.
1053         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1054         to the end of the list.
1055         (multiple_of_p) <COND_EXPR>: New case.
1056
1057 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1058
1059         * opt-functions.awk (opt_sanitized_name): New.
1060         (opt_enum): New.
1061         * optc-gen.awk: Use it
1062         * opth-gen.awk: Use it.
1063
1064 2010-04-13  Martin Jambor  <mjambor@suse.cz>
1065
1066         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1067         (sra_modify_assign): Delete stmts loading dead data even if racc has no
1068         children.  Call replace_uses_with_default_def_ssa_name to handle
1069         SSA_NAES on lhs.
1070
1071 2010-04-13  Michael Matz  <matz@suse.de>
1072
1073         PR middle-end/43730
1074         * builtins.c (expand_builtin_interclass_mathfn): Also create
1075         a register if the predicate doesn't match.
1076
1077 2010-04-13  Diego Novillo  <dnovillo@google.com>
1078
1079         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1080         * c-pch.c: Include timevar.h.
1081         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1082         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1083         * ggc-common.c: Include timevar.h.
1084         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1085         * timevar.def (TV_PCH_SAVE): Define.
1086         (TV_PCH_CPP_SAVE): Define.
1087         (TV_PCH_PTR_REALLOC): Define.
1088         (TV_PCH_PTR_SORT): Define.
1089         (TV_PCH_RESTORE): Define.
1090         (TV_PCH_CPP_RESTORE): Define.
1091
1092 2010-04-13  Michael Matz  <matz@suse.de>
1093
1094         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1095         into MINUS_EXPRs.
1096         (can_reassociate_p): New function.
1097         (break_up_subtract_bb, reassociate_bb): Use it.
1098
1099 2010-04-13  Richard Guenther  <rguenther@suse.de>
1100
1101         PR bootstrap/43737
1102         * builtins.c (c_readstr): Fix assert.
1103
1104 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
1105
1106         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1107         when generating cltd insn.
1108
1109         (*ashl<mode>3_1): Remove special handling for register operand 2.
1110         (*ashlsi3_1_zext): Ditto.
1111         (*ashlhi3_1): Ditto.
1112         (*ashlhi3_1_lea): Ditto.
1113         (*ashlqi3_1): Ditto.
1114         (*ashlqi3_1_lea): Ditto.
1115         (*<shiftrt_insn><mode>3_1): Ditto.
1116         (*<shiftrt_insn>si3_1_zext): Ditto.
1117         (*<shiftrt_insn>qi3_1_slp): Ditto.
1118         (*<rotate_insn><mode>3_1): Ditto.
1119         (*<rotate_insn>si3_1_zext): Ditto.
1120         (*<rotate_insn>qi3_1_slp): Ditto.
1121
1122 2010-04-13  Richard Guenther  <rguenther@suse.de>
1123
1124         * tree-ssa-structalias.c (callused_id): Remove.
1125         (call_stmt_vars): New.
1126         (get_call_vi): Likewise.
1127         (lookup_call_use_vi): Likewise.
1128         (lookup_call_clobber_vi): Likewise.
1129         (get_call_use_vi): Likewise.
1130         (get_call_clobber_vi): Likewise.
1131         (make_transitive_closure_constraints): Likewise.
1132         (handle_const_call): Adjust to do per-call call-used handling.
1133         (handle_pure_call): Likewise.
1134         (find_what_var_points_to): Remove general callused handling.
1135         (init_base_vars): Likewise.
1136         (init_alias_vars): Initialize call_stmt_vars.
1137         (compute_points_to_sets): Process call-used and call-clobbered
1138         vars for call statements.
1139         (delete_points_to_sets): Free call_stmt_vars.
1140
1141 2010-04-13  Richard Guenther  <rguenther@suse.de>
1142
1143         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1144         Only add RW dependence for dependence distance zero.
1145         Adjust maximal vectorization factor according to dependences.
1146         Move alignment handling ...
1147         (vect_find_same_alignment_drs): ... here.  New function.
1148         (vect_analyze_data_ref_dependences): Adjust.
1149         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1150         (vect_analyze_data_refs): Adjust minimal vectorization factor
1151         according to data references.
1152         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1153         dependences before determining the vectorization factor.
1154         Analyze alignment after determining the vectorization factor.
1155         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1156         dependences before alignment.
1157         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1158         Adjust prototype.
1159         (vect_analyze_data_refs): Likewise.
1160         (MAX_VECTORIZATION_FACTOR): New define.
1161
1162 2010-04-13  Duncan Sands  <baldrick@free.fr>
1163
1164         * except.h (lang_eh_type_covers): Remove.
1165         * except.c (lang_eh_type_covers): Likewise.
1166
1167 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1168             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1169
1170         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1171         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1172         UNITS_PER_LONG where it is ABI relevant.
1173         (s390_return_addr_rtx): Likewise.
1174         (s390_back_chain_rtx): Likewise.
1175         (s390_frame_area): Likewise.
1176         (s390_frame_info): Likewise.
1177         (s390_initial_elimination_offset): Likewise.
1178         (save_gprs): Likewise.
1179         (s390_emit_prologue): Likewise.
1180         (s390_emit_epilogue): Likewise.
1181         (s390_function_arg_advance): Likewise.
1182         (s390_function_arg): Likewise.
1183         (s390_va_start): Likewise.
1184         (s390_gimplify_va_arg): Likewise.
1185         (s390_function_profiler): Likewise.
1186         (s390_optimize_prologue): Likewise.
1187         (s390_rtx_costs): Likewise.
1188         (s390_secondary_reload): Likewise.
1189         (s390_promote_function_mode): Likewise.
1190         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1191         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1192         registers available.
1193         (s390_unwind_word_mode): New function.
1194         (s390_function_value): Split 64 bit values into register pair if
1195         used as return value.
1196         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1197         function call parameters.  Handle parallels.
1198         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1199         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1200         (DWARF_CIE_DATA_ALIGNMENT): New macro.
1201         (s390_expand_setmem): Remove unused variable src_addr.
1202         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1203         deal with 64 bit registers.
1204         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1205         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1206         (UNITS_PER_LONG): New macro.
1207         * libjava/include/s390-signal.h: Define extended ucontext
1208         structure containing the upper halfs of the 64 bit registers.
1209
1210 2010-04-13  Simon Baldwin  <simonb@google.com>
1211
1212         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1213
1214 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
1215
1216         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1217         rvalue on the RHS if the LHS is of a non-renamable type.
1218         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1219
1220 2010-04-13  Matthias Klose  <doko@ubuntu.com>
1221
1222         * gcc.c (cc1_options): Handle -iplugindir before processing
1223         the cc1 spec. Only add -iplugindir once.
1224         (cpp_unique_options): Add -iplugindir option if -fplugin* options
1225         found.
1226         * common.opt (iplugindir): Remove `Separate' property, initialize.
1227         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1228         option.
1229         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1230         (distclean): Remove plugin dir.
1231         * doc/invoke.texi: Document -iplugindir.
1232
1233 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
1234
1235         * doc/plugins.texi (Loading Plugins): Document short
1236         -fplugin=foo option.
1237         (Plugin API): Mention default_plugin_dir_name function.
1238
1239         * gcc.c (find_file_spec_function): Add new declaration.
1240         (static_spec_func): Use it for "find-file".
1241         (find_file_spec_function): Add new function.
1242         (cc1_options): Add -iplugindir option if -fplugin* options found.
1243
1244         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1245
1246         * plugin.c (add_new_plugin): Updated comment, and handle short
1247         plugin name.
1248         (default_plugin_dir_name): Added new function.
1249
1250         * common.opt (iplugindir): New option to set the plugin directory.
1251
1252 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
1253
1254         * config/i386/i386.md (any_rotate): New code iterator.
1255         (rotate_insn): New code attribute.
1256         (rotate): Ditto.
1257         (SWIM124): New mode iterator.
1258         (<rotate_insn>ti3): New expander.
1259         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1260         any_rotate code iterator.
1261         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1262         using any_rotate code iterator and SWIM124 mode iterator.
1263         (ix86_rotlti3): New insn_and_split pattern.
1264         (ix86_rotrti3): Ditto.
1265         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1266         ix86_rotl{di,ti}3 patterns.
1267         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1268         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1269         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1270         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1271         code iterator and SWI mode iterator.
1272         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1273         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1274         code iterator.
1275         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1276         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1277         (bswap rotatert splitter): Add splitter.
1278         (bswap splitter): Macroize splitter using any_rotate code iterator.
1279         Add insn predicate to split only for TARGET_USE_XCHGB or when
1280         optimizing function for size.
1281
1282 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1283
1284         * config/pa/pa.c (emit_move_sequence): Remove use of
1285         deleted variable flag_argument_noalias.
1286
1287 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1288
1289         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1290         configurations.
1291         Add to unsupported targets list.
1292         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1293         sparc*-sun-solaris2.[567]* from target lists.
1294         * configure: Regenerate.
1295         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1296         removal.
1297         Remove Solaris 7 patch references.
1298         (Specific, sparc-sun-solaris2.7): Removed.
1299         (sparc-sun-solaris2*): Update Solaris 7 example.
1300         (sparc64-*-solaris2*): Likewise.
1301
1302 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1303
1304         * config.build (alpha*-dec-osf4*): Remove.
1305         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1306         of obsolete configurations.
1307         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1308         support.
1309         * config/alpha/t-osf4: Renamed to ...
1310         * config/alpha/t-osf5: ... this.
1311         * config/alpha/osf.h: Renamed to ...
1312         * config/alpha/osf5.h: ... this.
1313         Merged old osf5.h contents.
1314         Update comments.
1315         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1316         (EXTRA_SPECS): Removed.
1317         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1318         reflect removal of Tru64 UNIX V4.0/V5.0 support.
1319         Document that.
1320
1321 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1322
1323         * doc/contrib.texi (Contributors, Rainer Orth): Update.
1324
1325 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
1326
1327         PR/43702
1328         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1329         __thiscall convention.
1330
1331 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1332
1333         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1334         orig_base.
1335         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1336
1337 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
1338
1339         * function.c (assign_parms_initialize_all): Add unused attribute
1340         to fntype.
1341
1342 2010-04-12  Richard Guenther  <rguenther@suse.de>
1343
1344         * gsstruct.def (GSS_CALL): New.
1345         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1346         * gimple.h: Include tree-ssa-alias.h.
1347         (struct gimple_statement_call): New.
1348         (union gimple_statement_struct_d): Add gimple_call member.
1349         (gimple_call_reset_alias_info): Declare.
1350         (gimple_call_use_set): New function.
1351         (gimple_call_clobber_set): Likewise.
1352         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1353         * gimple.c (gimple_call_reset_alias_info): New function.
1354         (gimple_build_call_1): Call it.
1355         * lto-streamer-in.c (input_gimple_stmt): Likewise.
1356         * tree-inline.c (remap_gimple_stmt): Likewise.
1357         (expand_call_inline): Remove callused handling.
1358         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1359         * tree-dfa.c (dump_variable): Likewise.
1360         * tree-parloops.c (parallelize_loops): Likewise.
1361         * tree-ssa.c (init_tree_ssa): Likewise.
1362         (delete_tree_ssa): Likewise.
1363         * tree-flow-inline.h (is_call_used): Remove.
1364         * tree-flow.h (struct gimple_df): Remove callused member.
1365         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1366         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1367         (ref_maybe_used_by_call_p_1): Simplify.
1368         (call_may_clobber_ref_p_1): Likewise.
1369         * tree-ssa-structalias.c (compute_points_to_sets): Set
1370         the call stmt used and clobbered sets.
1371         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1372         (find_tail_calls): Verify the tail call.
1373
1374 2010-04-12  Richard Guenther  <rguenther@suse.de>
1375
1376         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1377         single-iteration always-inline inlining.
1378         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1379         (cgraph_decide_inlining): Do not handle always-inline specially.
1380         (try_inline): Remove always-inline cycle detection special case.
1381         Do not recurse on always-inlines.
1382         (cgraph_early_inlining): Do not iterate if not optimizing.
1383         (cgraph_gate_early_inlining): remove.
1384         (pass_early_inline): Run unconditionally.
1385         (gate_cgraph_decide_inlining): New function.
1386         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
1387         not inlining or optimizing.
1388         (cgraph_decide_inlining_of_small_functions): Also consider
1389         always-inline functions.
1390         (cgraph_default_inline_p): Return true for nodes which should
1391         disregard inline limits.
1392         (estimate_function_body_sizes): Assume zero size and time for
1393         nodes which are marked as disregarding inline limits.
1394         (cgraph_decide_recursive_inlining): Do not perform recursive
1395         inlining on always-inline nodes.
1396
1397 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
1398
1399         PR bootstrap/43699
1400         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1401         for exprs satisfying handled_component_p.
1402
1403 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1404
1405         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1406         non-constant aggregate elements.
1407
1408         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1409         is a real initialization.
1410
1411 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
1412
1413         PR c/36774
1414         * c-decl.c (start_function): Move forward check for nested function.
1415
1416 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1417
1418         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1419         * config/sh/sh.c: Include reload.h.
1420         (sh_legitimize_reload_address): New.
1421         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1422         sh_legitimize_reload_address.
1423
1424 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1425
1426         * config/sh/sh.md (*movqi_pop): New insn pattern.
1427         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1428
1429 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1430
1431         * config/i386/i386.md (any_shiftrt): New code iterator.
1432         (shiftrt_insn): New code attribute.
1433         (shiftrt): Ditto.
1434         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1435         using any_shiftrt code iterator.
1436         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1437         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1438         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1439         pattern from corresponding peephole2 patterns.
1440         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1441         using any_shiftrt code iterator.
1442         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1443         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1444         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1445         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1446         *{ashr,lshr}<mode>3_cmp_zext.
1447         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1448
1449 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1450
1451         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1452         scratch register.
1453         (*lshr<mode>3_cconly): Ditto.
1454
1455 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
1456
1457         * config/i386/i386.md (lshr<mode>3): Macroize expander from
1458         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1459         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1460         pattern from *lshr{di,ti}3_1 and corresponding splitters using
1461         DWI mode iterator.
1462         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1463         from corresponding peephole2 patterns.
1464         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1465         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1466         and *lshrdi3_1_rex64 using SWI mode iterator.
1467         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1468         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1469         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1470         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1471         and *lshrdi3_cmp_rex64 using SWI mode iterator.
1472         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1473         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1474         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1475         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1476         SWI mode iterator.
1477
1478 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
1479
1480         * config/i386/i386.md (ashr<mode>3): Macroize expander from
1481         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1482         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1483         pattern from *ashr{di,ti}3_1 and corresponding splitters using
1484         DWI mode iterator.
1485         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1486         from corresponding peephole2 patterns.
1487         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1488         (ashrsi3_cvt): Rename from ashrsi3_31.
1489         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1490         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1491         and x86_64_shift_adj_3 using SWI48 mode iterator.
1492         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1493         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1494         and *ashrdi3_1_rex64 using SWI mode iterator.
1495         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1496         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1497         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1498         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1499         and *ashrdi3_cmp_rex64 using SWI mode iterator.
1500         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1501         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1502         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1503         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1504         SWI mode iterator.
1505         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1506         * config/i386/i386.c (ix86_split_ashr): Update for renamed
1507         x86_shift<mode>_adj_3 expanders.
1508
1509 2010-04-10  Wei Guozhi  <carrot@google.com>
1510
1511         PR target/42601
1512         * config/arm/arm.c (arm_pic_static_addr): New function.
1513         (legitimize_pic_address): Call arm_pic_static_addr when it detects
1514         a static symbol.
1515         (arm_output_addr_const_extra): Output expression for new pattern.
1516         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1517
1518 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
1519
1520         * ira-costs.c (record_reg_classes): Ignore alternatives that are
1521         not enabled.
1522
1523         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1524         * web.c: Include "insn-config.h" and "recog.h".
1525         (union_match_dups): New function.
1526         (web_main): Call it.
1527         (union_defs): Don't try to recognize match_dups.
1528
1529         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1530         if doing so would replace the entire pattern.
1531
1532 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1533
1534         PR target/43707
1535         PR target/43709
1536         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1537         and splitter pattern.  Change splitter operand 1 predicate to
1538         nonmemory_operand.
1539
1540 2010-04-09  Martin Jambor  <mjambor@suse.cz>
1541
1542         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1543         lattices are addresses of CONST_DECLs with the same initial value.
1544         (ipcp_print_all_lattices): Print values of CONST_DECLs.
1545         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1546
1547 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
1548             Bernd Schmidt  <bernds@codesourcery.com>
1549
1550         * loop-invariant.c (replace_uses): New static function.
1551         (move_invariant_reg): Use it to ensure we can replace the uses.
1552
1553 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
1554
1555         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1556         function template.
1557         (picochip_override_options): Enable section anchors only above -O1.
1558         (picochip_reorg): Fixed a couple of build warnings.
1559
1560 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1561
1562         * configure.ac (plugin -rdynamic test): Log result.
1563         * configure: Regenerate.
1564         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1565         (RDYNAMIC_SPEC): Define.
1566         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1567
1568 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1569
1570         * configure.ac: Determine Sun ld version numbers.
1571         (comdat_group): Restrict GNU ld version checks to gld.
1572         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1573         (enable_comdat): Support --enable-comdat.
1574         * configure: Regenerate.
1575         * doc/install.texi (Configuration): Document --enable-comdat.
1576
1577 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1578
1579         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
1580         * config/sol2-gld.h: ... here.
1581         * config.gcc (sparc*-*-solaris2*): Reflect this.
1582         (i[34567]86-*-solaris2*): Use it.
1583
1584 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
1585
1586         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1587         setup_clocks_p.
1588         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1589
1590 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1591
1592         PR 42965
1593         * diagnostic.c (diagnostic_initialize): Initialize
1594         some_warnings_are_errors.
1595         (diagnostic_finish): New.
1596         (diagnostic_action_after_output): Call it before exiting.
1597         (diagnostic_report_diagnostic): Do not print message here. Set
1598         some_warnings_are_errors.
1599         * diagnostic.h (diagnostic_context): Delete
1600         issue_warnings_are_errors_message. Add some_warnings_are_errors.
1601         (diagnostic_finish): Declare.
1602         * toplev.c (toplev_main): Call it before exit.
1603
1604 2010-04-09  Jason Merrill  <jason@redhat.com>
1605
1606         PR c++/42623
1607         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1608         for incomplete type.
1609
1610         PR c++/41788
1611         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1612         based on a warning flag.
1613
1614 2010-04-09  Richard Guenther  <rguenther@suse.de>
1615
1616         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1617
1618 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
1619
1620         PR bootstrap/43684
1621         * varasm.c (default_assemble_visibility): Wrap vars that are
1622         set, but unused, by targets without GAS.
1623         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1624         Remove set, but unused, vars.
1625         (rs6000_legitimize_tls_address): Likewise.
1626         (altivec_expand_dst_builtin): Likewise.
1627         * config/darwin.c (machopic_classify_symbol): Likewise.
1628         (machopic_indirection_name): Likewise.
1629
1630 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
1631
1632         * config/i386/i386.md (DWI): New mode iterator.
1633         (S): New mode attribute.
1634         (shift_operand): Ditto.
1635         (shift_immediate_operand): Ditto.
1636         (ashl_input_operand): Ditto.
1637         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1638         using SDWIM mode iterator.
1639         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
1640         pattern from *ashl{di,ti}3_1 and corresponding splitters using
1641         DWI mode iterator.
1642         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1643         from corresponding peephole2 patterns.
1644         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1645         and x86_64_shift_adj_1 using SWI48 mode iterator.
1646         (x86_shift<mode>_adj_2): Ditto.
1647         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1648         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1649         using SWI48 mode iterator.
1650         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1651         *ashldi3_cmp_rex64 using SWI mode iterator.
1652         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1653         *ashldi3_cconly_rex64 using SWI mode iterator.
1654         * config/i386/i386.c (ix86_split_ashl): Update for renamed
1655         x86_shift<mode>_adj_{1,2}.
1656         (ix86_split_ashr): Ditto.
1657         (ix86_split_lshr): Ditto.
1658
1659 2010-04-09  Richard Guenther  <rguenther@suse.de>
1660
1661         * target.h (builtin_conversion): Pass in input and output types.
1662         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1663         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1664         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1665         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1666
1667         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1668         Handle AVX modes.
1669         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1670
1671 2010-04-09  Richard Guenther  <rguenther@suse.de>
1672
1673         PR target/43152
1674         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1675
1676 2010-04-09  Richard Guenther  <rguenther@suse.de>
1677
1678         * tree-vectorizer.h (struct _stmt_vec_info): Document
1679         that vectype is the type of the LHS.
1680         (supportable_widening_operation, supportable_narrowing_operation):
1681         Get both input and output vector types as arguments.
1682         (vect_is_simple_use_1): Declare.
1683         (get_same_sized_vectype): Likewise.
1684         * tree-vect-loop.c (vect_determine_vectorization_factor):
1685         Set STMT_VINFO_VECTYPE to the vector type of the def.
1686         (vectorizable_reduction): Adjust.
1687         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1688         Adjust.  Specify the output vector type.
1689         (vect_pattern_recog_1): Adjust.
1690         * tree-vect-stmts.c (get_same_sized_vectype): New function.
1691         (vectorizable_call): Adjust.
1692         (vectorizable_conversion): Likewise.
1693         (vectorizable_operation): Likewise.
1694         (vectorizable_type_demotion): Likewise.
1695         (vectorizable_type_promotion): Likewise.
1696         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1697         the def.
1698         (vect_is_simple_use_1): New function.
1699         (supportable_widening_operation): Get both input and output
1700         vector types.
1701         (supportable_narrowing_operation): Likewise.
1702         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1703
1704 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
1705
1706         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1707         __thiscall and _thiscall as predefined macros.
1708         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1709         thiscall attribute handling.
1710         (ix86_comp_type_attributes): Likewise.
1711         (ix86_function_regparm): Likewise.
1712         (ix86_return_pops_args): Likewise.
1713         (init_cumulative_args): Likewise.
1714         (find_drap_reg): Likewise.
1715         (ix86_static_chain): Likewise.
1716         (x86_this_parameter): Likewise.
1717         (x86_output_mi_thunk): Likewise.
1718         (ix86_attribute_table): Add description for thiscall attribute.
1719         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1720         * doc/extend.texi: Add documentation for thiscall.
1721
1722 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1723
1724         PR c++/28584
1725         * c.opt (Wint-to-pointer-cast): Available in C++.
1726         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1727
1728 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
1729
1730         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1731         * calls.c (expand_call): Pass the function type to aggregate_value_p.
1732         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1733         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
1734         function type instead.  Reorder and simplify checks.
1735
1736         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1737
1738 2010-04-08  Jing Yu  <jingyu@google.com>
1739             Zdenek Dvorak  <ook@ucw.cz>
1740
1741         PR tree-optimization/42720
1742         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1743         loop unswitch conditions here from ...
1744         (tree_unswitch_single_loop): ... here.
1745
1746 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1747
1748         * tree-if-conv.c: Fix comments and simplify logic.
1749
1750 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
1751
1752         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1753         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
1754         (main_tree_if_conversion): Update call to tree_if_conversion.
1755
1756 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1757
1758         PR 42485
1759         * doc/invoke.texi (-b,-V): Delete.
1760         * doc/tm.texi: Do not mention -b.
1761         * gcc.c (display_help): Delete -b and -V.
1762         (process_command): Delete -b and -V.
1763         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1764
1765 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
1766             Wolfgang Gellerich  <gellerich@de.ibm.com>
1767
1768         Implement target hook for loop unrolling
1769         * target.h (loop_unroll_adjust): Add a new target hook function.
1770         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1771         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1772         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1773         (s390_loop_unroll_adjust): Implement the new target hook for s390.
1774         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1775         target hook.
1776         (decide_unroll_stupid): Likewise.
1777
1778 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1779
1780         PR target/43643
1781         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1782
1783 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1784
1785         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1786         (Specific, *-*-solaris2*): Likewise.
1787         Don't prefer Sun as over GNU as.
1788
1789 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
1790
1791         * config/s390/s390.c (override_options): Adjust the z10
1792           defaults for max-unroll-times, max-completely-peeled-insns
1793           and max-completely-peel-times.
1794
1795 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1796
1797         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1798         instructions for z10.
1799         (s390_expand_setmem): Likewise.
1800         (s390_expand_cmpmem): Likewise.
1801
1802 2010-04-08  Richard Guenther  <rguenther@suse.de>
1803
1804         PR tree-optimization/43679
1805         * tree-ssa-pre.c (eliminate): Only propagate copies.
1806
1807 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1808
1809         PR bootstrap/43681
1810         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1811         set but not used variable warning.
1812
1813 2010-04-08  Wei Guozhi  <carrot@google.com>
1814
1815         PR target/41653
1816         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1817         (arm_size_rtx_costs): Call the new function when optimized for size.
1818
1819 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
1820
1821         PR debug/43670
1822         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1823         op0 is not a MEM, just return NULL instead of assertion
1824         failure.
1825         (discover_nonconstant_array_refs): Don't walk debug stmts.
1826
1827 2010-04-08  Doug Kwan  <dougkwan@google.com>
1828
1829         * configure.ac: Recognize gold and do not use its version number
1830         to test ld features.
1831         * configure: Regenerate.
1832
1833 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
1834
1835         PR middle-end/40815
1836         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1837         (negate_value): Move code to push elements to broken_up_substracts ...
1838         (eliminate_plus_minus_pair): ... here.  Push operands that have no
1839         negative pair to plus_negates.
1840         (repropagate_negates, init_reassoc, fini_reassoc): Update.
1841
1842 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1843
1844         * doc/install.texi (Configuration): Move description of
1845         --enable-lto, --with-libelf*, --enable-gold from Java section to
1846         general section.
1847
1848         * doc/generic.texi (Working with declarations)
1849         (Function Properties, C and C++ Trees): Fix typos.
1850         * doc/sourcebuild.texi (Top Level): Likewise.
1851
1852 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1853
1854         PR c/18624
1855         * tree.h (DECL_READ_P): Define.
1856         (struct tree_decl_common): Add decl_read_flag.
1857         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1858         a set but not used warning.
1859         (merge_decls): Merge DECL_READ_P flag.
1860         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1861         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1862         * c-common.c (handle_used_attribute, handle_unused_attribute):
1863         Likewise.
1864         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1865         New prototypes.
1866         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1867         New functions.
1868         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1869         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1870         c_parser_binary_expression, c_parser_cast_expression,
1871         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1872         Call default_function_array_read_conversion instead of
1873         default_function_array_conversion where needed.
1874         (c_parser_unary_expression, c_parser_conditional_expression,
1875         c_parser_postfix_expression_after_primary, c_parser_initelt):
1876         Likewise.  Call mark_exp_read where needed.
1877         (c_parser_statement_after_labels, c_parser_asm_operands,
1878         c_parser_typeof_specifier, c_parser_sizeof_expression,
1879         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1880         where needed.
1881         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1882         New.
1883         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1884         (warn_unused_but_set_parameter): Default to warn_unused
1885         && extra_warnings.
1886         * doc/invoke.texi: Document -Wunused-but-set-variable and
1887         -Wunused-but-set-parameter.
1888
1889         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1890         used count variable.
1891         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1892         when operandN variables aren't used in the body of the expander
1893         or splitter.
1894         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1895         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1896         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1897         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1898         FOR_EACH_IMM_USE_ON_STMT): Likewise.
1899         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1900         * tree.c (PROCESS_ARG): Likewise.
1901
1902 2010-04-07  Simon Baldwin  <simonb@google.com>
1903
1904         * diagnostic.h (diagnostic_override_option_index): New macro to
1905         set a diagnostic's option_index.
1906         * c-tree.h (c_cpp_error): Add warning reason argument.
1907         * opts.c (_warning_as_error_callback): New.
1908         (register_warning_as_error_callback): Store callback for
1909         warnings enabled via enable_warning_as_error.
1910         (enable_warning_as_error): Call callback, minor code tidy.
1911         * opts.h (register_warning_as_error_callback): Declare.
1912         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1913         response to -Werror=.
1914         (c_common_init_options): Register warning_as_error_callback in opts.c.
1915         * common.opt: Add -Wno-cpp option.
1916         * c-common.c (struct reason_option_codes_t): Map cpp warning
1917         reason codes to gcc option indexes.
1918         * (c_option_controlling_cpp_error): New function, lookup the gcc
1919         option index for a cpp warning reason code.
1920         * (c_cpp_error): Add warning reason argument, call
1921         c_option_controlling_cpp_error for diagnostic_override_option_index.
1922         * doc/invoke.texi: Document -Wno-cpp.
1923
1924 2010-04-07  Richard Guenther  <rguenther@suse.de>
1925
1926         * ipa-reference.c (mark_load): Use get_base_address.
1927         (mark_store): Likewise.
1928
1929         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1930         inserting GIMPLE_NOPs into the IL.
1931         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1932         Explicitly strip handled components and indirect references.
1933
1934         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1935         folding address expressions.
1936         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1937         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1938         operand_equal_p to compare decls.
1939         (ptr_deref_may_alias_decl_p): Likewise.
1940         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1941         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1942         Handle reversed comparison ops.
1943         * tree-sra.c (asm_visit_addr): Use get_base_address.
1944         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1945         * ipa-reference.c (mark_address): Use get_base_address.
1946
1947 2010-04-07  Richard Guenther  <rguenther@suse.de>
1948
1949         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1950         Propagate constants everywhere.
1951
1952 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
1953
1954         PR debug/43516
1955         * tree.c (MAX_INT_CACHED_PREC): Define.
1956         (nonstandard_integer_type_cache): New array.
1957         (build_nonstandard_integer_type): Cache results for precision
1958         <= MAX_INT_CACHED_PREC.
1959
1960 2010-04-07  Richard Guenther  <rguenther@suse.de>
1961
1962         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1963         -fargument-noalias-global, -fargument-noalias-anything): Remove.
1964         * common.opt: Likewise.
1965         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1966         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1967         (nonoverlapping_memrefs_p): Likewise.
1968         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1969         * opts.c (common_handle_option): Handle OPT_fargument_alias,
1970         OPT_fargument_noalias, OPT_fargument_noalias_anything and
1971         OPT_fargument_noalias_global for backward compatibility.
1972
1973 2010-04-07  Richard Guenther  <rguenther@suse.de>
1974
1975         PR tree-optimization/43270
1976         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1977         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1978         * tree-ssa-pre.c (phi_translate_1): Adjust.
1979         (fully_constant_expression): Split out vn_reference handling to ...
1980         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1981         Fold reads from constant strings.
1982         (vn_reference_lookup): Handle fully constant references.
1983         (vn_reference_lookup_pieces): Likewise.
1984         * Makefile.in (expmed.o-warn): Add -Wno-error.
1985
1986 2010-04-07  Martin Jambor  <mjambor@suse.cz>
1987
1988         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1989
1990 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
1991
1992         PR driver/41594
1993         * gcc.c: Add -static-libstdc++ to list of recognized options.
1994
1995 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1996
1997         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1998
1999 2010-04-07  Richard Guenther  <rguenther@suse.de>
2000
2001         PR middle-end/42617
2002         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2003         bases build simple mem attributes to retain points-to information.
2004
2005 2010-04-07  Richard Guenther  <rguenther@suse.de>
2006
2007         PR middle-end/42617
2008         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2009         preserve points-to related information.
2010
2011 2010-04-07  Richard Guenther  <rguenther@suse.de>
2012
2013         PR middle-end/42617
2014         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2015         discard plain indirect references.
2016         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2017         * tree.c (tree_nop_conversion): Likewise.
2018
2019 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2020
2021         PR debug/43628
2022         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2023
2024 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2025
2026         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2027         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2028
2029 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2030
2031         * tree-if-conv.c: Fix indentation and comments.
2032
2033 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2034
2035         * tree-if-conv.c: Sort static functions in topological order.
2036
2037 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2038
2039         * tree-if-conv.c: Fix indentation and comments.
2040
2041 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         PR middle-end/43519
2044         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2045         lang_hooks.types.type_for_size instead of
2046         build_nonstandard_integer_type.
2047         When converting an unsigned type to signed, double its precision.
2048         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2049         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2050         (graphite_create_new_loop_guard): When ub + 1 wraps around,
2051         use lb <= ub.
2052
2053 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2054
2055         PR middle-end/43519
2056         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2057         POINTER_PLUS_EXPR for pointer types.
2058
2059 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2060
2061         PR middle-end/43519
2062         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2063         * graphite-clast-to-gimple.c: Include langhooks.h.
2064         (max_signed_precision_type): New.
2065         (max_precision_type): Takes two types as arguments.
2066         (precision_for_value): New.
2067         (precision_for_interval): New.
2068         (gcc_type_for_interval): New.
2069         (gcc_type_for_value): New.
2070         (gcc_type_for_clast_term): New.
2071         (gcc_type_for_clast_red): New.
2072         (gcc_type_for_clast_bin): New.
2073         (gcc_type_for_clast_expr): Split up into several functions.
2074         (gcc_type_for_clast_eq): Rewritten.
2075         (compute_bounds_for_level): New.
2076         (compute_type_for_level_1): New.
2077         (compute_type_for_level): New.
2078         (gcc_type_for_cloog_iv): Removed.
2079         (gcc_type_for_iv_of_clast_loop): Rewritten.
2080         (graphite_create_new_loop): Compute the lower and upper bound types
2081         with gcc_type_for_clast_expr.
2082         (graphite_create_new_loop_guard): Same.
2083         (find_cloog_iv_in_expr): Removed.
2084         (compute_cloog_iv_types_1): Removed.
2085         (compute_cloog_iv_types): Removed.
2086         (gloog): Do not call compute_cloog_iv_types.
2087         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2088         GBB_CLOOG_IV_TYPES.
2089         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2090         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2091         (GBB_CLOOG_IV_TYPES): Removed.
2092
2093 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2094
2095         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2096         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2097         (detect_commutative_reduction): Same.
2098
2099 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2100
2101         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2102         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
2103         argument.
2104         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2105         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2106         (rewrite_commutative_reductions_out_of_ssa): Same.
2107         * passes.c (execute_function_todo): Call verify_ssa for every pass
2108         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
2109         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2110         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2111         with an extra argument.
2112         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
2113         verify_ssa only when the extra argument is true.
2114         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2115         with an extra argument.
2116         (tree_transform_and_unroll_loop): Same.
2117
2118 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
2119
2120         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2121         for all the passes of the LNO having LOOP_CLOSED_SSA.
2122         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2123         * tree-loop-distribution.c (pass_loop_distribution): Same.
2124         * tree-pass.h (TODO_verify_loops): Removed.
2125         * tree-ssa-loop.c (pass_tree_loop_init): Same.
2126         (pass_lim): Same.
2127         (pass_tree_unswitch): Same.
2128         (pass_predcom): Same.
2129         (pass_vectorize): Same.
2130         (pass_linear_transform): Same.
2131         (pass_graphite_transforms): Same.
2132         (pass_iv_canon): Same.
2133         (pass_complete_unroll): Same.
2134         (pass_complete_unrolli): Same.
2135         (pass_parallelize_loops): Same.
2136         (pass_loop_prefetch): Same.
2137         (pass_iv_optimize): Same.
2138
2139 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
2140
2141         PR middle-end/32824
2142         * passes.c (init_optimization_passes): Move pass_lim before
2143         pass_copy_prop and pass_dce_loop.
2144
2145 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2146
2147         PR target/43667
2148         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2149         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2150         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2151         MULTI_* defines for 4 argument vpermil2p* builtins.
2152
2153 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2154
2155         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2156         * config/i386/i386.c (x86_maybe_negate_const_int): New.
2157         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2158         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2159         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2160         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2161         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2162         Use x86_maybe_negate_const_int to output insn mnemonic.
2163         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
2164         check from instruction predicate.  Update comments.
2165         * config/i386/sync.md (sync_add<mode>): Use
2166         x86_maybe_negate_const_int to output insn mnemonic.
2167
2168 2010-04-06  Jan Hubicka  <jh@suse.cz>
2169
2170         PR tree-optimization/42906
2171         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2172         IGNORE_SELF argument.  Set visited_control_parents for fully
2173         processed BBs.
2174         (find_obviously_necessary_stmts): Update call of
2175         mark_control_dependent_edges_necessary.
2176         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
2177
2178 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
2179
2180         * config/i386/i386.md: Remove comment about 'e' and 'E'
2181         operand modifier.
2182
2183 2010-04-06  Richard Guenther  <rguenther@suse.de>
2184
2185         PR tree-optimization/43627
2186         * tree-vrp.c (extract_range_from_unary_expr): Widenings
2187         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2188         not varying.
2189
2190 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
2191
2192         * BASE-VER: Change to 4.6.0.
2193
2194         PR target/43638
2195         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2196         handling.
2197
2198 2010-04-06  Richard Guenther  <rguenther@suse.de>
2199
2200         PR middle-end/43661
2201         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2202
2203 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2204
2205         * doc/invoke.texi (Optimize Options): Document that LTO
2206         won't remove object access purely due to incompatible
2207         declarations.
2208
2209 2010-04-04  Matthias Klose  <doko@ubuntu.com>
2210
2211         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2212         Initialize variable.
2213
2214 2010-04-03  Richard Guenther  <rguenther@suse.de>
2215
2216         PR middle-end/42509
2217         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2218         require a non-NULL MEM_OFFSET.
2219
2220 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
2221
2222         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2223         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2224         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2225         config/alpha/predicates.md, config/arm/arm.md,
2226         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2227         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2228         config/darwin9.h, config/darwin.c, config/darwin.h,
2229         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2230         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2231         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2232         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2233         config/mips/mips.md, config/mn10300/mn10300.c,
2234         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2235         config/rs6000/aix.h, config/rs6000/dfp.md,
2236         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2237         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2238         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2239         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2240         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2241         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2242         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2243         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2244         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2245         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2246         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2247         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2248         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2249         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2250         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2251         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2252         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2253         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2254         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2255         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2256         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2257         opt-functions.awk, opth-gen.awk, params.def, passes.c,
2258         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2259         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2260         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2261         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2262         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2263         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2264         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2265         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2266         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2267         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2268         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2269         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2270         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2271         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2272
2273 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2274
2275         PR other/43620
2276         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2277         * aclocal.m4: Regenerate.
2278
2279 2010-04-02  Richard Guenther  <rguenther@suse.de>
2280
2281         PR tree-optimization/43629
2282         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2283         if we have seen a constant value.
2284
2285 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
2286
2287         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2288
2289 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
2290
2291         PR target/43469
2292         * arm.c (legitimize_tls_address): Adjust call to
2293         gen_tls_load_dot_plus_four.
2294         (arm_note_pic_base): New function.
2295         (arm_cannot_copy_insn_p): Use it.
2296         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2297         constraint.
2298
2299 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2300
2301         PR bootstrap/43531
2302
2303         Revert:
2304         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2305
2306         * Makefile.in ($(out_object_file)): Depend on
2307         gt-$(basename $(notdir $(out_file))).h.
2308
2309 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
2310
2311         * config.gcc (lm32-*-rtems*): Add t-lm32.
2312
2313 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
2314
2315         * config.gcc: Add lm32-*-rtems*.
2316         * config/lm32/rtems.h: New file.
2317
2318 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
2319
2320         PR target/42609
2321         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2322
2323 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
2324
2325         * dwarf2out.c (output_compilation_unit_header): For
2326         -gdwarf-4 use version 4 instead of version 3.
2327         (output_line_info): For version 4 and above emit additional
2328         maximum ops per insn header field.
2329         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2330
2331         * dwarf2out.c (is_c_family, is_java): Remove.
2332         (lower_bound_default): New function.
2333         (add_bound_info, gen_descr_array_type_die): Use it.
2334
2335 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
2336
2337         PR debug/43325
2338         * dwarf2out.c (gen_variable_die): Allow debug info for variable
2339         re-declaration when it happens in a function.
2340
2341 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
2342
2343         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2344         (cgraph_remove_function_insertion_hook): Same.
2345         (cgraph_call_function_insertion_hooks): Same.
2346
2347 2010-04-01  Richard Guenther  <rguenther@suse.de>
2348
2349         PR middle-end/43614
2350         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2351         and TREE_THIS_VOLATILE.
2352         (copy_ref_info): Likewise.
2353         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2354         * tree.c (build6_stat): Ignore side-effects of all but arg5
2355         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
2356         TARGET_MEM_REF.
2357
2358 2010-04-01  Richard Guenther  <rguenther@suse.de>
2359
2360         PR tree-optimization/43607
2361         * ipa-type-escape.c (check_call): Do not access non-existing
2362         arguments.
2363
2364 2010-04-01  Richard Guenther  <rguenther@suse.de>
2365
2366         PR middle-end/43602
2367         Revert
2368         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2369                     Jack Howarth <howarth@bromo.med.uc.edu>
2370
2371         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2372         variables TLS.
2373
2374 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2375
2376         * doc/install.texi (Prerequisites): Document libelf usability on
2377         IRIX 5/6 and Solaris 2.
2378         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2379         Update GNU as, GNU ld requirements.
2380         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2381         Document Sun Studio compiler download.
2382         Update and simplify as, ld recommendations.
2383         (Specific, *-*-solaris2.7): Note obsoletion, removal.
2384
2385 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2386
2387         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2388         with_tune_32 to pentium4.
2389
2390 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
2391
2392         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2393
2394 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2395
2396         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2397         obsoletion, removal.
2398         Update IDO URL.
2399         Document GNU as requirement.
2400         Update configure requirements.
2401         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2402         Recomment IRIX 6.5.18+.
2403         Document IDF/IDL requirement.
2404         Document GNU as requirement.
2405         Document GNU ld bootstrap failure.
2406         Remove freeware.sgi.com reference.
2407
2408 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2409
2410         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2411         UNIX V4.0, V5.0 obsoletion, removal.
2412         Remove --with-gc=simple reference.
2413         Update VM requirements during bootstrap.
2414         Remove -oldas bootstrap description.
2415         Update binutils reference.
2416         Remove comparison failure note.
2417
2418 2010-03-31  Richard Guenther  <rguenther@suse.de>
2419             Zdenek Dvorak  <ook@ucw.cz>
2420             Sebastian Pop  <sebastian.pop@amd.com>
2421
2422         PR middle-end/43464
2423         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2424         with multiple arguments.
2425         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2426
2427 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2428
2429         * graphite-dependences.c (print_pddr): Call print_pdr with an
2430         extra argument.
2431         * graphite-poly.c (debug_pdr): Add an extra argument for the
2432         verbosity level.
2433         (print_pdr): Same.
2434         (print_pbb_domain): Same.
2435         (print_pbb): Same.
2436         (print_scop_context): Same.
2437         (print_scop): Same.
2438         (print_cloog): Same.
2439         (debug_pbb_domain): Same.
2440         (debug_pbb): Same.
2441         (print_pdrs): Same.
2442         (debug_pdrs): Same.
2443         (debug_scop_context): Same.
2444         (debug_scop): Same.
2445         (debug_cloog): Same.
2446         (print_scop_params): Same.
2447         (debug_scop_params): Same.
2448         (print_iteration_domain): Same.
2449         (print_iteration_domains): Same.
2450         (debug_iteration_domain): Same.
2451         (debug_iteration_domains): Same.
2452         (print_scattering_function): Same.
2453         (print_scattering_functions): Same.
2454         (debug_scattering_function): Same.
2455         (debug_scattering_functions): Same.
2456         * graphite-poly.h (debug_pdr): Update declaration.
2457         (print_pdr): Same.
2458         (print_pbb_domain): Same.
2459         (print_pbb): Same.
2460         (print_scop_context): Same.
2461         (print_scop): Same.
2462         (print_cloog): Same.
2463         (debug_pbb_domain): Same.
2464         (debug_pbb): Same.
2465         (print_pdrs): Same.
2466         (debug_pdrs): Same.
2467         (debug_scop_context): Same.
2468         (debug_scop): Same.
2469         (debug_cloog): Same.
2470         (print_scop_params): Same.
2471         (debug_scop_params): Same.
2472         (print_iteration_domain): Same.
2473         (print_iteration_domains): Same.
2474         (debug_iteration_domain): Same.
2475         (debug_iteration_domains): Same.
2476         (print_scattering_function): Same.
2477         (print_scattering_functions): Same.
2478         (debug_scattering_function): Same.
2479         (debug_scattering_functions): Same.
2480
2481 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2482
2483         * graphite-poly.c (print_scattering_function_1): New.
2484         (print_scattering_function): Call it.
2485         (print_scop_params): Remove spaces at the end of lines.
2486         (print_cloog): New.
2487         (debug_cloog): New.
2488         * graphite-poly.h (print_cloog): Declared.
2489         (debug_cloog): Declared.
2490
2491 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2492
2493         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2494         in loop->header.
2495         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2496         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2497         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2498         to switch between adding the IV bump in loop->latch or in loop->header.
2499
2500 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
2501
2502         * graphite-poly.c (print_scattering_function): Pretty print following
2503         the scoplib format.
2504         (print_pdr): Same.
2505         (print_pbb_domain): Same.
2506         (dump_gbb_cases): Same.
2507         (dump_gbb_conditions): Same.
2508         (print_pdrs): Same.
2509         (print_pbb): Same.
2510         (print_scop_params): Same.
2511         (print_scop_context): Same.
2512         (print_scop): Same.
2513         (print_pbb_body): New.
2514         (lst_indent_to): New.
2515         (print_lst): Start new lines with a #.
2516         * graphite-poly.h (pbb_bb): New.
2517         (pbb_index): Use pbb_bb.
2518         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2519         disjuncts.
2520         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2521
2522 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2523
2524         * dwarf2out.c (size_of_die): For -gdwarf-4 use
2525         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2526         and 0 instead of 1 for dw_val_class_flag.
2527         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2528         dw_val_class_range_list, dw_val_class_loc_list,
2529         dw_val_class_lineptr and dw_val_class_macptr, use
2530         DW_FORM_flag_present for dw_val_class_flag and
2531         DW_FORM_exprloc for dw_val_class_loc.
2532         (output_die): For -gdwarf-4 print dw_val_class_loc
2533         size as uleb128 instead of 1 or 2 bytes and don't print
2534         anything for dw_val_class_flag.
2535
2536         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2537         instead of cselib_lookup following by tweaking locs->setting_insn.
2538
2539         PR bootstrap/43596
2540         * cselib.c (cselib_process_insn): Clear cselib_current_insn
2541         even before returning from label, setjmp call or volatile asm
2542         handling.
2543
2544 2010-03-31  Richard Guenther  <rguenther@suse.de>
2545
2546         PR middle-end/43600
2547         * cgraphunit.c (cgraph_output_in_order): Do not allocate
2548         temporary data on stack.
2549
2550 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2551
2552         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2553         (PUSHSECTION_ASM_OP): Remove.
2554         (POPSECTION_ASM_OP): Remove.
2555         (PUSHSECTION_FORMAT): Remove.
2556         * config/sol2.h (PUSHSECTION_FORMAT): Define.
2557         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2558         * config/sol2.c (solaris_output_init_fini): Use it.
2559
2560 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2561
2562         PR 43574
2563         * opt-functions.awk (var_type_struct): Use signed char type
2564         for simple variables.
2565
2566 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2567
2568         * config/sol2.c: Include output.h.
2569         (solaris_assemble_visibility): New function.
2570         * config/t-sol2 (sol2.o): Add output.h dependency.
2571         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2572         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2573         Redefine.
2574
2575 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
2576
2577         PR target/43580
2578         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2579         V2SImode or XFmode on PRE_DEC.
2580
2581         PR debug/43557
2582         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2583         BLKmode.
2584
2585 2010-03-31  Jie Zhang  <jie@codesourcery.com>
2586
2587         PR 43562
2588         * reload.h (caller_save_initialized_p): Declare.
2589         * toplev.c (backend_init_target): Don't call
2590         init_caller_save but set caller_save_initialized_p to false.
2591         * caller-save.c (caller_save_initialized_p): Define.
2592         (init_caller_save): Check caller_save_initialized_p.
2593         * ira.c (ira): Call init_caller_save if flag_caller_saves.
2594
2595 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2596
2597         PR target/39048
2598         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2599         and soft-fp/t-softfp to tmake_file.
2600         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2601         (LIBGCC2_TF_CEXT): Define.
2602         (TF_SIZE): Define.
2603
2604 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
2605
2606         PR debug/42977
2607         * cselib.c (n_useless_values): Document handling of debug locs.
2608         (n_useless_debug_values, n_debug_values): New variables.
2609         (new_elt_loc_list): Don't add to debug values, keep count.
2610         (promote_debug_loc): New.
2611         (cselib_reset_table): Zero new variables.
2612         (entry_and_rtx_equal_p): Promote debug locs.
2613         (discard_useless_locs): Increment n_useless_debug_values for
2614         debug values.
2615         (remove_useless_values): Adjust n_useless_values and n_debug_values
2616         with n_useless_debug_values.
2617         (add_mem_for_addr): Promote debug locs.
2618         (cselib_lookup_mem): Likewise.
2619         (cselib_lookup_addr): Renamed to...
2620         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
2621         (cselib_log_lookup): ... this.  Turn into...
2622         (cselib_lookup_addr): ... new wrapper.
2623         (cselib_lookup_from_insn): New.
2624         (cselib_invalidate_regno): Increment n_useless_debug_values for
2625         debug values.
2626         (cselib_invalidate_mem): Likewise.
2627         (cselib_process_insn): Take n_deleted and n_debug_values into
2628         account to guard remove_useless_value call.
2629         (cselib_finish): Zero n_useless_debug_values.
2630         * cselib.h (cselib_lookup_from_insn): Declare.
2631         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2632         (sched_analyze_2): Likewise.
2633
2634 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
2635
2636         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2637         functions.
2638         (adjust_mems): Replace narrowing SUBREG of expression containing
2639         just PLUS, MINUS, MULT and ASHIFT of registers and constants
2640         with operations in the narrower mode.
2641
2642         PR debug/43593
2643         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2644         regs_invalidated_by_call instead all call_used_reg_set registers.
2645
2646 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
2647
2648         PR middle-end/43430
2649         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2650         pointer comparisons with types_compatible_p.
2651         * tree-vect-stmts.c (vectorizable_call): Same.
2652         (vectorizable_condition): Same.
2653
2654 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2655
2656         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2657         stack check if the mask would be zero.
2658
2659 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
2660             Jack Howarth <howarth@bromo.med.uc.edu>
2661
2662         * tree-profile.c (tree_init_ic_make_global_vars): Make static
2663         variables TLS.
2664
2665 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
2666
2667         PR other/25232
2668         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
2669         and __unordtf2.
2670         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2671         Include ___unordxf2 and ___unordtf2.
2672         * config/i386/libgcc-glibc.ver: Do not define inheritance from
2673         GCC_4.4.0 here.
2674
2675 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
2676
2677         * config/lm32/t-lm32: New file.
2678         * config.gcc: Use the above file when targetting lm32.
2679
2680 2010-03-28  Duncan Sands  <baldrick@free.fr>
2681
2682         * Makefile.in (PLUGIN_HEADERS): Add except.h.
2683
2684 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2685
2686         PR middle-end/43431
2687         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2688         Improve vectorization cost model diagnostic.
2689
2690 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
2691
2692         PR middle-end/43436
2693         * tree-vect-data-refs.c (vect_analyze_data_refs): When
2694         compute_data_dependences_for_loop returns false, early exit
2695         and output an extra diagnostic for the failed data reference
2696         analysis.
2697
2698 2010-03-29  Richard Guenther  <rguenther@suse.de>
2699
2700         PR tree-optimization/43560
2701         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2702         (can_sm_ref_p): Treat stores to readonly locations as trapping.
2703
2704 2010-03-29  Jie Zhang  <jie@codesourcery.com>
2705
2706         PR 43564
2707         * toplev.c (process_options): Set optimization_default_node
2708         and optimization_current_node.
2709         * opts.c (decode_options): Don't set optimization_default_node
2710         and optimization_current_node.
2711
2712 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
2713
2714         * config/rtems.h: Abandon -qrtems_debug.
2715
2716 2010-03-28  Jan Hubicka  <jh@suse.cz>
2717
2718         PR tree-optimization/43505
2719         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2720         map should not be copied.
2721
2722 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2723
2724         PR middle-end/41674
2725         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2726         cdtors, set DECL_PRESERVE_P.
2727         * ipa.c (cgraph_externally_visible_p): Return true if declaration
2728         should be preseved.
2729
2730 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
2731
2732         PR tree-optimization/43528
2733         * stor-layout.c (place_field): Check that constant fits into
2734         unsigned HWI when skipping calculation of MS bitfield layout.
2735
2736 2010-03-27  Jan Hubicka  <jh@suse.cz>
2737
2738         PR middle-end/43391
2739         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2740         notice_global_symbol work.
2741
2742 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
2743
2744         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2745         instead of dwarf2out_decl.
2746         (struct var_loc_node): Remove section_label field.
2747         (dwarf2out_function_decl): New function.
2748         (dwarf2out_var_location): Don't set section_label field.
2749         (dwarf2out_begin_function): Don't empty decl_loc_table here.
2750
2751 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
2752
2753         PR tree-optimization/43544
2754         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2755         First argument for builtin vectorized function hook is now a
2756         tree to be able to distinguish between machine specific and
2757         standard builtins.
2758         * targhooks.c (default_builtin_vectorized_function): Ditto.
2759         * targhooks.h (default_builtin_vectorized_function): Ditto.
2760         * target.h (struct gcc_target): Ditto.
2761         * tree-vect-stmts.c (vectorizable_function): Ditto.
2762         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2763         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2764         Ditto.
2765
2766 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
2767
2768         PR c/43381
2769         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2770         nested binding iff it is a FUNCTION_DECL.
2771         (store_parm_decls_newstyle): Pass nested=true to bind for
2772         FUNCTION_DECLs amongst parameters.
2773
2774 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2775
2776         * var-tracking.c (vt_expand_loc_callback): Don't run
2777         cselib_expand_value_rtx_cb in dummy mode if
2778         cselib_dummy_expand_value_rtx_cb returned false.
2779
2780         * var-tracking.c (emit_note_insn_var_location): For one part
2781         notes with offset 0, don't add EXPR_LIST around the location.
2782         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2783         add_location_or_const_value_attribute): Adjust for that change.
2784
2785         PR debug/43540
2786         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2787         into first operand and location into second.
2788         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2789         dw_cfi_oprnd_loc for DW_CFA_expression.
2790         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2791         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2792         assume first argument is regnum and second argument is location.
2793
2794 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2795
2796         PR target/42113
2797         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2798         of scratch register to DImode.  Split to DImode comparison operator.
2799         Use SImode subreg of scratch register in the multiplication.
2800         (*cmp_sadd_sidi): Ditto.
2801         (*cmp_ssub_si): Ditto.
2802         (*cmp_ssub_sidi): Ditto.
2803
2804 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
2805
2806         PR target/43524
2807         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2808         Remove invalid assert and wrong comment.
2809
2810 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
2811
2812         PR debug/43516
2813         * flags.h (final_insns_dump_p): New extern.
2814         * final.c (final_insns_dump_p): New variable.
2815         (rest_of_clean_state): Set it before -fdump-final-insns=
2816         dumping, clear afterwards.
2817         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2818         MEM_ALIAS_SET on MEMs.
2819
2820 2010-03-26  David S. Miller  <davem@davemloft.net>
2821
2822         * configure.ac: Fix sparc GOTDATA_OP bug check.
2823         * configure: Rebuild.
2824
2825 2010-03-26  Alan Modra  <amodra@gmail.com>
2826
2827         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2828
2829 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2830
2831         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2832         TLS_SECTION_ASM_FLAG.
2833
2834 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
2835
2836         PR bootstrap/43511
2837         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2838         Clear first_function_block_is_cold.
2839
2840         PR c/43385
2841         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2842         argument if the argument is truth_value_p.
2843
2844 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2845
2846         * config/rs6000/constraints.md: Update copyright year for my changes.
2847
2848         PR target/43484
2849         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2850         used in reg+reg addressing, swap registers.
2851
2852 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2853
2854         PR debug/43293
2855         * target.h (struct gcc_target): Add code_end hook.
2856         * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2857         if not yet defined.
2858         (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2859         * toplev.c (compile_file): Call targetm.asm_out.code_end
2860         hook before unwind info/debug info output.
2861         * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2862         * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2863         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2864         * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2865         (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2866         * config/i386/i386.c (ix86_file_end): Renamed to...
2867         (ix86_code_end): ... this.  Make static.  Don't call
2868         file_end_indicate_exec_stack.  Emit unwind info using
2869         final_start_function/final_end_function.
2870         (darwin_x86_file_end): Remove.
2871         (TARGET_ASM_CODE_END): Define.
2872         * config/i386/i386.h (TARGET_ASM_FILE_END,
2873         NEED_INDICATE_EXEC_STACK): Don't define.
2874         * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2875         (TARGET_ASM_FILE_END): Define to darwin_file_end.
2876         * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2877         * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2878
2879         PR target/43498
2880         * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2881         at the beginning and final_end_function at the end.
2882         * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2883
2884 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2885
2886         * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2887         and Sun as TLS syntax.
2888         (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2889         * configure: Regenerate.
2890         * config.in: Regenerate.
2891         * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2892         (default_elf_asm_named_section): Use it.
2893         * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2894         (i386_output_dwarf_dtprel): Likewise.
2895         (output_addr_const_extra): Likewise.
2896         (output_pic_addr_const): Lowercase @GOTTPOFF.
2897         (output_addr_const_extra): Likewise.
2898         (output_pic_addr_const): Lowercase @GOTNTPOFF.
2899         (output_addr_const_extra): Likewise.
2900         (output_pic_addr_const): Lowercase @INDNTPOFF.
2901         (output_addr_const_extra): Likewise.
2902         (output_pic_addr_const): Lowercase @NTPOFF.
2903         (output_addr_const_extra): Likewise.
2904         (output_pic_addr_const): Lowercase @TPOFF.
2905         (output_addr_const_extra): Likewise.
2906         * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2907         (*tls_global_dynamic_64): Likewise.
2908         (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2909         (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2910
2911         * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2912         (ASM_OUTPUT_TLS_COMMON): Use it.
2913         * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2914
2915         PR target/38118
2916         * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2917         * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2918         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2919         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2920         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2921         (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2922
2923 2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2924
2925         * config/i386/i386.c (override_options): Don't accept
2926         -mtls-dialect=sun any longer.
2927         * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2928         * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2929         (*tls_local_dynamic_base_32_sun): Likewise.
2930         * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2931
2932 2010-03-24  Jakub Jelinek  <jakub@redhat.com>
2933
2934         PR debug/43508
2935         * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2936         VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2937
2938         PR debug/43479
2939         * ira.c (adjust_cleared_regs): New function.
2940         (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2941
2942         PR debug/19192
2943         PR debug/43479
2944         * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2945         from gimple_block.
2946         * expr.c (expand_expr_real): Restore previous
2947         curr_insn_source_location and curr_insn_block after
2948         expand_expr_real_1 call.
2949         (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2950         instead of expand_expr_real_1.
2951
2952 2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>
2953
2954         PR rtl-optimization/43413
2955         * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2956         hard regs too.
2957
2958 2010-03-22  James E. Wilson  <wilson@codesourcery.com>
2959
2960         PR target/43348
2961         * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2962         call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2963
2964 2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>
2965
2966         * config/i386/i386.c (ix86_target_string): Add -mfma.
2967         Fix a typo in comment.
2968
2969 2010-03-22  Mike Stump  <mikestump@comcast.net>
2970
2971         PR target/23071
2972         * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2973         Don't overly align based upon packed packed fields.
2974
2975 2010-03-22  Jason Merrill  <jason@redhat.com>
2976
2977         * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2978         Use () rather than [], and move before the element type.
2979
2980 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2981
2982         * doc/configfiles.texi (Configuration Files): Removed
2983         fixinc/Makefile*, intl/Makefile.*.
2984         * doc/makefile.texi: Fixed markup. Abstract from version
2985         control system used.
2986         (Makefile): Removed obsolete gcc/java/parse.y example.
2987         * doc/sourcebuild.texi: Likewise.
2988         (Top Level): Added config, gnattools, libdecnumber, libgcc,
2989         libgomp, libssp.  Removed fastjar.
2990         (Miscellaneous Docs): Clarify location.
2991         Added COPYING3, COPYING3.LIB.
2992         (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2993
2994 2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2995
2996         PR target/38085
2997         * config/i386/i386.c (x86_function_profiler)
2998         [!NO_PROFILE_COUNTERS]: Fix typo.
2999         * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3000         instead of callq.
3001
3002 2010-03-22  Janis Johnson  <janis187@us.ibm.com>
3003             Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3004
3005         * doc/sourcebuild.texi (Test Directives): Split into six
3006         subsections, with most of the current text in new subsections
3007         Directives, Selectors, and Final Actions.
3008         (Directives): Split list of test directives into multiple
3009         subsubsections.
3010         (Selectors): Describe use and syntax of selectors.
3011         (Effective-Target Keywords): Describe all existing keywords.
3012         (Add Options): Describe features for dg-add-options.
3013         (Require Support): Describe variants of dg-require-support.
3014         (Final Actions): Describe commands to use in dg-final.
3015
3016 2010-03-22  Michael Matz  <matz@suse.de>
3017
3018         PR middle-end/43475
3019         * recog.c (validate_replace_rtx_group): Replace also in
3020         REG_EQUAL and REG_EQUIV notes.
3021
3022 2010-03-22  Richard Guenther  <rguenther@suse.de>
3023
3024         PR tree-optimization/43390
3025         * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3026         sure vector extracts are type correct.
3027
3028 2010-03-22  Richard Guenther  <rguenther@suse.de>
3029
3030         PR middle-end/40106
3031         * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3032         x * sqrt (x) even when optimizing for size if the target
3033         has native support for sqrt.
3034
3035 2010-03-22  Jakub Jelinek  <jakub@redhat.com>
3036
3037         * varasm.c (make_decl_rtl_for_debug): Also clear
3038         flag_mudflap for the duration of make_decl_rtl call.
3039
3040         PR debug/43443
3041         * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3042         locs from preserved VALUEs.
3043
3044 2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3045
3046         PR middle-end/42718
3047         * pa.md (movmemsi): Set align to one if zero.
3048         (movmemdi): Likewise.
3049
3050 2010-03-21  Richard Earnshaw  <rearnsha@arm.com>
3051
3052         PR target/42321
3053         * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3054         with their corresponding prologue pushes.
3055
3056 2010-03-20  Andrew Pinski  <pinskia@gmail.com>
3057
3058         PR target/43156
3059         * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3060         at the begining or end.
3061         (spu_expand_epilogue): Likewise.
3062
3063 2010-03-20  Richard Guenther  <rguenther@suse.de>
3064
3065         PR rtl-optimization/43438
3066         * combine.c (make_extraction): Properly zero-/sign-extend an
3067         extraction of the low part of a CONST_INT.  Also handle
3068         CONST_DOUBLE.
3069
3070 2010-03-19  Mike Stump  <mikestump@comcast.net>
3071
3072         * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3073         * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3074         (override_options): Use SUBTARGET32_DEFAULT_CPU.
3075
3076 2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>
3077
3078         PR c/43211
3079         * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3080         an error.
3081
3082 2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>
3083
3084         PR rtl-optimization/42258
3085         * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3086         use that may match DEF.
3087
3088         PR target/40697
3089         * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3090         the cost of loading the constant rather than assuming
3091         COSTS_N_INSNS (1).
3092         * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3093         outer code is AND, do the same tests as the andsi3 expander and
3094         return COSTS_N_INSNS (1) if and is cheap.
3095
3096         * optabs.c (avoid_expensive_constant): Fix formatting.
3097
3098 2010-03-19  Michael Matz  <matz@suse.de>
3099
3100         PR c++/43116
3101         * attribs.c (decl_attributes): When rebuilding a function pointer
3102         type use the same qualifiers as the original pointer type.
3103
3104 2010-03-19  Martin Jambor  <mjambor@suse.cz>
3105
3106         * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3107         and is_gimple_ip_invariant_address.
3108
3109 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3110
3111         Revert
3112         2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3113
3114         * config/arm/arm.c (arm_override_options): Turn off
3115         flag_dwarf2_cfi_asm for AAPCS variants.
3116
3117 2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3118
3119         PR target/43399
3120         * config/arm/arm.c (emit_multi_reg_push): Update comments.
3121         Use PRE_MODIFY instead of PRE_DEC.
3122         (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3123         (vfp_emit_fstmd): Likewise.
3124
3125 2010-03-19  Michael Matz  <matz@suse.de>
3126
3127         PR target/43305
3128         * builtins.c (expand_builtin_interclass_mathfn,
3129         expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3130         if that fails.
3131
3132 2010-03-19  Richard Guenther  <rguenther@suse.de>
3133
3134         PR tree-optimization/43415
3135         * tree-ssa-pre.c (phi_translate): Split out worker to ...
3136         (phi_translate_1): ... this.
3137         (phi_translate): Move all caching here.  Cache all NARY
3138         and REFERENCE translations.
3139
3140 2010-03-19  David S. Miller  <davem@davemloft.net>
3141
3142         With help from Eric Botcazou.
3143         * config/sparc/sparc.c: Include dwarf2out.h.
3144         (emit_pic_helper): Delete.
3145         (pic_helper_symbol_name): Delete.
3146         (pic_helper_emitted_p): Delete.
3147         (pic_helper_needed): New.
3148         (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3149         (get_pc_thunk_name): New.
3150         (load_pic_register): Remove 'delay_pic_helper' arg.  Use
3151         get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3152         Set pic_helper_needed to true.  Don't call emit_pic_helper.
3153         (sparc_expand_prologue): Update load_pic_register call.
3154         (sparc_output_mi_thunk): Likewise.
3155         (sparc_file_end): Emit a hidden comdat symbol for the PIC
3156         thunk if possible.  Output CFI information as needed.
3157
3158 2010-03-18  Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3159             Jack Howarth <howarth@bromo.med.uc.edu>
3160
3161         PR target/36399
3162         * config/i386/i386.h: Fix ABI on darwin x86-32.
3163
3164 2010-03-18  Aldy Hernandez  <aldyh@redhat.com>
3165
3166         * tree.h: Declare make_decl_rtl_for_debug.
3167         * varasm.c (make_decl_rtl_for_debug): New.
3168         * dwarf2out.c (rtl_for_decl_location): Call it.
3169         * cfgexpand.c (expand_debug_expr): Call it.
3170
3171 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3172
3173         PR bootstrap/43399
3174         * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3175         mem_mode.
3176
3177         PR bootstrap/43403
3178         * var-tracking.c (vt_init_cfa_base): Do nothing if
3179         cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3180
3181 2010-03-18  Alexandre Oliva  <aoliva@redhat.com>
3182
3183         PR debug/42873
3184         * var-tracking.c (canonicalize_vars_star): New.
3185         (dataflow_post_merge_adjust): Use it.
3186
3187 2010-03-18  Jakub Jelinek  <jakub@redhat.com>
3188
3189         PR debug/43058
3190         * var-tracking.c (non_suitable_const): New function.
3191         (add_uses): For DEBUG_INSNs with constants, don't record any
3192         value, instead just the constant value itself.
3193         (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3194         is not VAR_LOC_UNKNOWN_P, set var to the constant.
3195         (emit_notes_in_bb): Likewise.
3196         (emit_note_insn_var_location): For onepart variables if
3197         cur_loc is a VOIDmode constant, use DECL_MODE.
3198
3199 2010-03-18  Martin Jambor  <mjambor@suse.cz>
3200
3201         PR middle-end/42450
3202         * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3203         * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3204         all non-clones.  Moved call redirection...
3205         (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3206         (cgraph_materialize_all_clones): Dispose of all
3207         combined_args_to_skip bitmaps.
3208         (verify_cgraph_node): Do not check for edges pointing to wrong
3209         nodes in inline clones.
3210         * tree-inline.c (copy_bb): Call
3211         cgraph_redirect_edge_call_stmt_to_callee.
3212         * ipa.c (cgraph_remove_unreachable_nodes): Call
3213         cgraph_node_remove_callees even when there are used clones.
3214
3215 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3216
3217         * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3218
3219 2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>
3220
3221         PR target/43383
3222         * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3223         for 32bit.
3224
3225 2010-03-18  Michael Matz  <matz@suse.de>
3226
3227         PR middle-end/43419
3228         * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3229         into sqrt(x) if we need to preserve signed zeros.
3230
3231 2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
3232             Eric Botcazou  <ebotcazou@adacore.com>
3233
3234         PR rtl-optimization/43360
3235         * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3236         note if we don't know its invariant status.
3237
3238 2010-03-18  Michael Matz  <matz@suse.de>
3239
3240         PR tree-optimization/43402
3241         * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3242         PHI chains of ssa names registered for update.
3243
3244 2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>
3245
3246         PR target/42427
3247         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3248         non-offsettable and pre_modify update addressing.
3249         * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3250         and "2" alternatives "#".
3251         (*movdd_softfloat32): Make all alternatives "#";
3252         * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3253         (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3254         (*movdf_softfloat32): Make all alternatives "#";
3255         (movdi): Use the new DIFD mode iterator to create a common splitter
3256         for movdi, movdf and movdd patterns.
3257
3258 2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>
3259
3260         * common.opt (dumpdir): Remove redundant tab.
3261
3262 2010-03-17  Martin Jambor  <mjambor@suse.cz>
3263
3264         PR tree-optimization/43347
3265         * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3266         original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3267
3268 2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3269
3270         PR rtl-optimization/42216
3271         * regrename.c (create_new_chain): New function, broken out from...
3272         (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
3273         appending a use to an empty chain.
3274         (build_def_use): Remove previous changes that convert OP_INOUT to
3275         OP_OUT operands; instead detect the case where an OP_INOUT operand
3276         uses a previously untracked register and create an empty chain for it.
3277
3278 2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3279
3280         * doc/extend.texi (Function Attributes): Rewrite unfinished
3281         sentence in ms_abi documentation.
3282
3283 2010-03-17  Alan Modra  <amodra@gmail.com>
3284
3285         * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3286         * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3287         (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3288         * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3289
3290 2010-03-16  Richard Henderson  <rth@redhat.com>
3291
3292         PR middle-end/43365
3293         * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3294         (lower_try_finally): Save and restore eh_seq around the expansion
3295         of the try-finally.
3296
3297 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3298
3299         * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3300         statements before splitting block.
3301
3302 2010-03-16  Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3303
3304         * doc/sourcebuild.texi (Testsuites): Fix markup.
3305         Use pathnames relative to gcc/testsuite.
3306         (Test Directives): Move description of how timeout is determined.
3307         (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3308         (C Tests): Correct gcc.misc-tests directory.
3309         Framework tests now live in gcc.test-framework.
3310
3311 2010-03-16  Richard Guenther  <rguenther@suse.de>
3312
3313         PR middle-end/43379
3314         * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3315         operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3316
3317 2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
3318             Alexandre Oliva  <aoliva@redhat.com>
3319
3320         PR tree-optimization/42917
3321         * lambda-code.c (remove_iv): Skip debug statements.
3322         (lambda_loopnest_to_gcc_loopnest): Likewise.
3323         (not_interesting_stmt): Debug statements are not interesting.
3324
3325 2010-03-16  Jakub Jelinek  <jakub@redhat.com>
3326
3327         PR debug/43051
3328         PR debug/43092
3329         * cselib.c (cselib_preserve_constants,
3330         cfa_base_preserved_val): New static variables.
3331         (preserve_only_constants): New function.
3332         (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3333         clear its REG_VALUES.  If cselib_preserve_constants, don't
3334         empty the whole hash table, but preserve there VALUEs with constants,
3335         cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3336         (cselib_preserve_cfa_base_value): New function.
3337         (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3338         (cselib_init): Change argument to int bitfield.  Set
3339         cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3340         is in it.
3341         (cselib_finish): Clear cselib_preserve_constants and
3342         cfa_base_preserved_val.
3343         * cselib.h (enum cselib_record_what): New enum.
3344         (cselib_init): Change argument to int.
3345         (cselib_preserve_cfa_base_value): New prototype.
3346         * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3347         * dse.c (dse_step1): Likewise.
3348         * cfgcleanup.c (thread_jump): Likewise.
3349         * sched-deps.c (sched_analyze): Likewise.
3350         * gcse.c (local_cprop_pass): Likewise.
3351         * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3352         If FN is non-NULL, call the callback always and whenever it returns
3353         non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
3354         * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3355         * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3356         compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3357         * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3358         * var-tracking.c: Include recog.h.
3359         (bb_stack_adjust_offset): Remove.
3360         (vt_stack_adjustments): Don't call it, instead just gather the
3361         adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3362         (adjust_stack_reference): Remove.
3363         (compute_cfa_pointer): New function.
3364         (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3365         (struct adjust_mem_data): New type.
3366         (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3367         functions.
3368         (get_address_mode): New function.
3369         (replace_expr_with_values): Use it.
3370         (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3371         Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
3372         (adjust_sets): Remove.
3373         (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3374         Use get_address_mode.
3375         (get_adjusted_src): Remove.
3376         (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
3377         MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
3378         (add_with_sets): Don't call adjust_sets.
3379         (fp_setter, vt_init_cfa_base): New functions.
3380         (vt_initialize): Change return type to bool.  Move most of pool etc.
3381         initialization to the beginning of the function from end.  Pass
3382         CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3383         If !frame_pointer_needed, call vt_stack_adjustment before mos
3384         vector is filled, call vt_init_cfa_base if argp/framep has been
3385         eliminated to sp.  If frame_pointer_needed and argp/framep has
3386         been eliminated to hard frame pointer, set
3387         hard_frame_pointer_adjustment and call vt_init_cfa_base after
3388         encountering fp setter in the prologue.  For MO_ADJUST, call
3389         log_op_type before pusing the op into mos vector, not afterwards.
3390         Call adjust_insn before cselib_process_insn/add_with_sets,
3391         call cancel_changes (0) afterwards.
3392         (variable_tracking_main_1): Adjust for vt_initialize calling
3393         vt_stack_adjustments and returning whether it succeeded or not.
3394
3395 2010-03-15  Aldy Hernandez  <aldyh@redhat.com>
3396
3397         * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3398         debug statements.
3399
3400 2010-03-15  Jakub Jelinek  <jakub@redhat.com>
3401
3402         * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3403         has been set.
3404         (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3405         drap_reg has not been set.
3406
3407 2010-03-15  Michael Matz  <matz@suse.de>
3408
3409         PR middle-end/43300
3410         * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3411         use it to expand block copies.
3412         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3413         insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3414         (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3415
3416 2010-03-15  Richard Guenther  <rguenther@suse.de>
3417
3418         PR tree-optimization/43367
3419         * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3420         elimination check.
3421
3422 2010-03-15  Richard Guenther  <rguenther@suse.de>
3423
3424         PR tree-optimization/43317
3425         * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3426
3427 2010-03-15  Martin Jambor  <mjambor@suse.cz>
3428
3429         PR tree-optimization/43141
3430         * tree-sra.c (create_abstract_origin): New function.
3431         (modify_function): Call create_abstract_origin.
3432
3433 2010-03-15  Chris Demetriou  <cgd@google.com>
3434
3435         * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3436         wasn't copied.
3437
3438 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>
3439
3440         PR middle-end/43354
3441         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3442         call insert_out_of_ssa_copy for default definitions.
3443
3444 2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>